Differdange, the third biggest city of Luxembourg, is committed to becoming a climate-neutral city by 2030 as part of the EU’s NetZeroCities initiative. Key efforts include improving energy efficiency, increasing the use of renewable energy, promoting sustainable transport and reducing waste. Public engagement is central, with e.g. workshops involving citizens in policy-making.

Accueil - NetZero
Net Zero Déifferdeng 2030 (Source: https://netzero2030.lu/en/)

Aim

NetZeroCities is a platform supporting the European Union’s mission “100 Climate-Neutral and Smart Cities” and was launched as part of the Horizon Europe programme. It aims to achieve climate neutrality by 2030, bringing together 34 partners like city networks and research organisations from 13 countries. As part of this initiative, Differdange’s goal is to reach climate neutrality by reducing greenhouse gas emissions, improving energy efficiency, and expanding renewable energy use, while ensuring social and economic sustainability for its inhabitants.

This aim is driven by the growing need to address climate change, particularly in urban areas which are responsible for a significant portion of global carbon emissions and are the usually densely populated. Differdange’s involvement in NetZeroCities shows its commitment to leading climate action in Luxembourg and beyond, aiming to become a greener, more sustainable city that can inspire others across Europe.

Beginnings

In March 2023, Differdange signed the Climate City Contract, a governance instrument strengthening the city’s commitment to achieve climate neutrality by 2030 at all levels. This evolving document, shaped by input from local businesses, residents and environmental experts, serves as the city’s roadmap to a sustainable future.

The initiative addresses both local and global challenges – locally, by reducing air pollution, increasing energy efficiency and improving quality of life; and globally, by tackling climate change and reducing the city’s environmental footprint.

Activities

Differdange’s strategy to achieve climate neutrality by 2030 focuses on five key objectives, which are central to its Climate City Contract:

  1. Improving Energy Efficiency: The city prioritises the renovation of buildings to enhance energy efficiency, and aiming to reduce overall energy consumption.
  2. Achieving Energy Autonomy: Differdange is committed to increasing its energy self-sufficiency by expanding the use of renewable energy. While solar energy has been emphasized in some of the city’s broader plans, the main objective is to reduce dependence on external energy sources by enhancing local renewable energy production.
  3. Reducing emissions from transportation: To decrease emissions from transportation, Differdange aims to reduce individual car use by promoting sustainable mobility options.
  4. Reducing Waste: The NetZeroCities network encourages the implementation of measures that limit waste generation, contributing to the overall sustainability of its operations and ensuring resources are managed more efficiently.
  5. Offsetting CO₂ Emissions: For emissions that cannot be directly eliminated, Differdange is committed to compensating for its carbon output through local offset projects.

“NetZero is not just Differdange’s project, it’s everyone’s”: The city focuses on engaging its citizens in this transition. Through public workshops like “Energy savings in my household” and “Sorting, circular economy, and waste prevention”, inhabitants are invited to contribute to the co-creation of climate solutions. Community involvement is crucial to the success of such climate initiatives, ensuring that the transition is inclusive and reflects the needs of the population.

The first “City Tree” in Differdange (Source: https://differdange.lu/en/improving-the-air-naturally/)

One of several measures e.g. was the inauguration of the first “City Tree”, a moss filter installation in July 2024 on Place des Alliés. They do not only filter CO2, clean and humidify the air and thus improve air quality but also provide shade and seating.

Additionally, Differdange participates in the FUSILLI project which is funded by the EU’s Horizon 2020 programme and focuses on creating sustainable food systems. Over four years, the project supports 12 cities in developing sustainable, healthy, and inclusive food systems through open innovation Living Labs, empowering them to implement innovative actions across the entire food chain and sharing knowledge via an open community. These activities are aligned with the goals set out in the Climate City Contract under the NetZeroCities initiative.

Outlook

The NetZeroCities network provides valuable access to international expertise and resources, helping the participating cities navigate technical and financial challenges. Differdange’s commitment to achieving climate neutrality by 2030, as part of this initiative, is based on the objectives of improving energy efficiency, expanding renewable energy, promoting sustainable transport, and reducing waste. The city’s strategy is shaped not only by these technical measures but also by active citizen involvement, ensuring that the transition reflects the needs and priorities of its residents. Through public workshops e.g., Differdange is fostering a sense of shared responsibility in tackling climate change.

By maintaining this collaborative and inclusive approach, Differdange is positioning itself as a model for other cities in Luxembourg and across Europe, demonstrating that small urban centres can take action in achieving sustainability. Through these efforts, Differdange is not only reducing its environmental footprint but also setting an example of how cities can balance growth and environmental responsibility in the fight against climate change.

References

Ville de Differdange (English, French, German): https://differdange.lu/en/live/environment/projects/netzerocities/

Net Zero Déifferdeng 2030 (English): https://netzero2030.lu/en/

Inauguration of the first “City Tree” (English, French, German): https://differdange.lu/en/improving-the-air-naturally/

FUSILLI project (English): https://fusilli-project.eu/

Net Zero Cities (English): https://netzerocities.eu/

EU Mission: Climate-Neutral and Smart Cities: https://research-and-innovation.ec.europa.eu/funding/funding-opportunities/funding-programmes-and-open-calls/horizon-europe/eu-missions-horizon-europe/climate-neutral-and-smart-cities_en

This post was written by Marcela Mäder Furtado and Kirsti Hagemann


On June 10, 2024, the Cellule d’information pour la politique urbaine (CIPU) hosted its first workshop of the year, focusing on the crucial topic of climate-resilient urban development. The event took place at the Ellergronn Nature Reserve in Esch-sur-Alzette, where participants gathered to explore strategies that could help Luxembourg’s cities and municipalities adapt to the growing challenges posed by climate change.

The workshop commenced with a guided tour of the “Transition NOW” exhibition at the Ellergronn Nature Reserve. This exhibition highlighted how human activities affect the environment and the climate, underscoring the urgent need for cities to adapt to changing conditions. Following the tour, participants received a thematic introduction to key concepts such as resilience, climate resilience, and climate adaptation. Jeannot Behm, representing the city of Esch-sur-Alzette, presented the city’s ongoing activities related to climate change, resilience, and public awareness.

Guided tour through the exhibition Transition NOW at the Ellergronn Nature Reserve (Source: Ville d’Esch)

Following the introductory presentations, participants engaged in a collaborative group work phase that focused on key thematic areas related to climate-resilient urban development. Firstly, everyone moved through different groups to identify priorities and gather ideas across the four central themes: Urban and District Planning, Built Environment, Emergency Management and Crisis Communication, and Supply and Disposal Systems. These discussions were recorded on thematic posters to capture diverse perspectives and insights. In the subsequent phase, participants were divided into set groups, each focusing on one of the specific themes. They delved deeper into the identified priorities, discussing challenges, exploring potential solutions, and outlining concrete actions to enhance resilience in their respective areas.

Urban and District Planning: The discussions on urban and district planning focused on the importance of incorporating nature-based solutions to increase the resilience of cities. Participants explored the potential of the “sponge city” concept, which involves creating green spaces and water retention areas to manage stormwater and reduce urban heat islands. There was a strong emphasis on maintaining a balance between built environments and natural areas, implementing cooling strategies through tree planting and shaded public spaces, and promoting the “15-minute city” model to enhance local accessibility. Key messages included the need for comprehensive risk assessments, thoughtful urban design that prioritises sustainability, and the development of policies that encourage resilient urban planning practices.

Built Environment: In the group of the built environment, participants discussed strategies for designing and retrofitting buildings to withstand the impacts of climate change, such as heatwaves, heavy rainfall, and storms. The conversation highlighted the importance of using sustainable building materials and promoting low-tech, resource-efficient construction methods. Participants called for the development of clear legal frameworks and financial incentives to support climate-resilient architecture. Public sector building projects were seen as critical for demonstrating best practices and leading by example. The discussions concluded that a coordinated effort involving policymakers, architects, and builders is necessary to mainstream climate-resilient building practices.

Participants discussing priorities for climate resilience in urban and district planning (Source: Ville d’Esch)

Emergency Management and Crisis Communication: This group focused on the development of robust emergency management strategies and clear communication plans to ensure preparedness for extreme weather events. Participants stressed the importance of early warning systems, clearly defined action plans, and regular simulation exercises to enhance readiness. Community engagement emerged as a key theme, with discussions emphasising the need to educate the public about potential risks and appropriate responses. The session highlighted the necessity of strong coordination and the establishment of dedicated units composed of citizens and technical experts to oversee emergency management efforts.

Supply and Disposal Systems: The final group discussed sustainable approaches to managing water, energy, and waste in urban environments. Participants examined strategies for improving water quality, promoting water recycling, and implementing rainwater harvesting systems to reduce reliance on fresh water. The concept of the circular economy was central to discussions on waste management, with a focus on reusing materials and reducing overall waste production. The group also emphasised the importance of local renewable energy production and storage to ensure energy security and reduce carbon footprints. Key outcomes included the need for integrated planning that incorporates circular economy principles, local sourcing, and the exploitation of synergies between different urban systems.

Group work on identifying priorities for the different thematic fields (Source: Ville d’Esch)

After the vivid group discussions, the participants gathered in a final plenary session to reflect on the developed results. The guided tour through the exhibition “Transition Now” as well as the presentations emphasised the necessity of adapting urban spaces to the challenges imposed by climate change. The workshop highlighted the often-blurred lines between climate adaptation and climate resilience, revealing a need for clearer understanding and practical knowledge in these areas. Political support, resource allocation, public awareness, and effective collaboration among stakeholders were recognised as essential for the successful implementation of these strategies. Clear political and legal frameworks, both at the national and local level, were also deemed critical to support these efforts.

Building on these outcomes, the second CIPU workshop, which will take place on October 9, 2024, will focus on developing key elements of a climate resilience strategy at municipal level to strengthen Luxembourg’s urban areas. The goal is to identify starting points to actionable solutions that can be quickly implemented and contribute to long-term sustainable urban development, further sharpening the approaches discussed in this workshop.

If you are interested in a more detailed description of the workshop and the results of the group discussions, you can access the documentation soon here: https://cipu.lu/

Contact

  • CIPU: cipu@zeyenbaumann.lu

References

Amidst climate change, resource scarcity, and social inequality, the “Productive City” emerges as a transformative concept for making cities more sustainable, resilient, and liveable. By seamlessly integrating living, working, and leisure spaces, this model can strengthen local economies, create jobs, and foster vibrant, inclusive communities. In 2023, CIPU focused on exploring and advancing this vision for Luxembourg, promoting and raising awareness about innovative solutions to embed productive functions within urban areas.

The Productive City

The Productive City concept addresses urban challenges by combining residential, commercial, and industrial functions in compact urban spaces, tackling issues such as long commutes, pollution and economic vulnerability. The proximity of workplaces to residential areas has the dual benefit of reducing traffic and emissions while simultaneously creating local jobs and supporting economic resilience. This model also promotes efficient land use, diverse housing, and employment opportunities, which in turn foster inclusive communities and improve quality of life. Furthermore, the concept has the potential to relieve the tense Luxembourgish housing market while simultaneously revitalising neighbourhoods through diverse uses.

A productive 2023

Throughout 2023, CIPU organised several events centred around the multifunctional and productive City. These events provided platforms for in-depth discussions, practical insights, and collaborative efforts to advance the productive city concept. These key results are described in a summarising statement by CIPU which you can access here.

Workshops

On June 27, 2023, the first CIPU workshop of the year was held at the 1535° Creative Hub in Differdange, focusing on functional mix in new and existing developments. The goal of the workshop was to explore strategies for integrating diverse functions within urban spaces to promote sustainable and vibrant communities. Key discussion points included the challenges of zoning regulations, the importance of engaging local communities, and innovative design solutions for mixed-use developments. Conclusions highlighted the need for flexible policies to facilitate functional integration, the benefits of community involvement in planning processes, and the potential for creative architectural solutions to address urban development challenges.

First workshop in Differdange (Source: Melt Studio)

The second workshop, held in October, built on the results of the first and focused on integrating productive functions in urban areas, exploring strategies to incorporate craft and production activities into residential neighbourhoods. Key discussions revolved around developing municipal strategies, addressing technical challenges, and proposing regulatory adjustments. Participants concluded that national-level coordination, flexible building designs, and clear usage guidelines are essential for successful implementation. They emphasised the need for specific zoning within urban plans and highlighted the importance of creating a central database for potential sites and businesses. The workshop underscored the necessity of integrated national and local efforts to promote the productive city model, aiming to create sustainable and vibrant urban environments in Luxembourg.

You can access further information on the workshops in previous blog posts as well as in the documentations on our currently temporary website linked below.

Second workshop in Luxembourg city (Source: Ville de Luxembourg)

Field Trip to Brussels

In August 2023, a field trip to Brussels provided participants with first-hand insights into examples of the productive city concept in action. The trip included visits to a variety of architectural and urban projects, including mixed-use housing, historic sites, new constructions, and renovation/reconversion projects. Key sites visited included the former Veterinary School in Cureghem, City Dox, CityGate, Tour & Taxis, Tivoli GreenCity, and the Greenbizz SME Park, with guided tours from ARAU and La Fonderie Brussels.

Field trip to Brussels (Source: Zeyen+Baumann)

Final Conference

The year’s activities culminated in a final conference on 8th December 2023. This event aimed to summarise the key discussions, insights, and outcomes of the year’s activities. The conference provided a platform to present the conclusions of the workshops and field trip and to outline strategic directions for the future. The event commenced with welcome addresses by the Minister for Housing and Spatial Planning Claude Meisch and the Director General of the Chambre des Métiers Luxembourg Tom Wirion. It featured insightful presentations on the functional mix of craft and production in urban areas from various perspectives. Gérard Thein (PMEsch – Handwierkerhaff by Escher Betriber x 2001 x Ville d’Esch) and Alexandre Meyer (Intencity_fr) shared the business viewpoint, Prof. Dr. Stefan Gärtner (Institut Arbeit und Technik) and Daisy Wagner (Ville d’Esch) provided insights into urban development, and Yves Biwer (AGORA Luxembourg) highlighted project development perspectives. The event concluded with an interactive networking space where participants engaged with national experts on the challenges of the productive city.

CIPU conference 2023 (Source: Emile Hengen – Ville d’Esch-sur-Alzette)

These activities have brought together experts from various fields and have enriched by their contributions and exchanges: urban planners, architects, experts and representatives from Luxembourgish municipalities and ministries agencies, real estate and public housing developers, local businesses, Chamber of Crafts (Chambre des Métiers), the Fire and Rescue Service (Corps grand-ducal d’incendie et de secours (CGDIS), the Labour and Mines Inspectorate (Inspection du travail et des mines (ITM)).

Insights and Challenges – the CIPU statement on the productive city

The discussions and activities of 2023 provided critical insights into the topic of multifunctionality in the city, with a focus on production. The productive city is an innovative approach to address critical challenges such as climate change, resource scarcity, and social inequality. It aims to make cities more sustainable, resilient, and liveable by mixing production and residential areas. Integrating production in urban areas strengthens the local economy, creates jobs, promotes sustainability, and contributes to a vibrant and diverse urban landscape. The functional mix also reduces social inequalities and fosters a lively urban community.

The final CIPU statement draws conclusions for the following four levels of implementation:

  • National/Regional Level: A national strategy is crucial, including defining types of crafts, creating a database of potential sites, and enhancing infrastructure for short distances. Collaboration between national and local stakeholders is essential for effective implementation.
  • Municipal Level: Municipalities should promote compact and mixed urban structures through revised zoning laws and regional cooperation. Developing local strategies based on thorough analyses of existing and needed functions is key.
  • Neighbourhood Level: Neighbourhoods should be designed with integrated uses from the outset, balancing residential, commercial, and green spaces. Planning should account for the needs and impacts of productive uses on local residents.
  • Technical Level: Flexible building designs and multi-use spaces are necessary. Synergies between different users should be leveraged, and innovative economic models should support sustainable development.

Various challenges exist at each implementation level, such as regulatory barriers, infrastructure needs, and community acceptance. Overcoming these requires coordinated efforts, innovative planning, and the willingness to experiment with new concepts tailored to local contexts. Encouraging experimentation and continuous collaboration, supportive policies, and community engagement will drive the successful integration of production into urban areas, making cities more inclusive and sustainable.

You can read more about the activities, discussions and conclusions around the productive city and its potential for Luxembourg in the CIPU statement of 2023, linked below.

Contact

CIPU: cipu@zeyenbaumann.lu

References

CIPU publications 2023: https://cipu.lu/2024/03/15/publikationen-2023/

Blog post about the CIPU Workshop 1: https://cipu.lu/2023/08/30/cipu-workshop-exploring-multifunctionality-in-urban-spaces/

Blog post about the CIPU Workshop 2: https://cipu.lu/2023/12/13/cipu-workshop-no-2-exploring-multifunctionality-in-urban-spaces/

The city of Esch-sur-Alzette has made a promising start as a leader in urban resilience, becoming the first city in Luxembourg to develop a resilience plan. Its objective is to enhance the city’s capacity to address a diverse range of challenges, including natural disasters such as floods and heatwaves, as well as technological disruptions such as cyberattacks and power outages.

Aerial view of Esch-sur-Alzette (Source: Ville d’Esch: https://administration.esch.lu/2023/01/27/esch-pionniere-presente-son-plan-de-resilience/)

Aim

The plan which was presented in January 2023 defines resilience as the ability of a system to withstand external shocks and maintain its essential functions, also applicable to a city. Therefore, the core objective of the Esch-sur-Alzette resilience plan is to guarantee the safety and well-being of its citizens during and after a crisis. By minimising potential damage and enabling a swift recovery after disruptive events, the plan fosters a more secure future for the city’s residents. In this objective, it defines measures to be taken and defines standards for the everyday work of the city of Esch.

Genesis and Composition

A dedicated working group, composed of representatives from five technical departments – IT Department, Industrial Services, Environmental Services, Municipal Works and Urban Development – initiated the creation of the resilience plan. Representatives from this working group now form the Operational Resilience Committee (“Comité de résilience operationnelle”), which is responsible for its coordination. This collaborative approach ensured a comprehensive perspective and the inclusion of expertise from various sectors.

The plan itself draws inspiration from good practices observed and exchanged about with other European actors proactive in the field of resilience. Cities like Rotterdam in the Netherlands and Vejle in Denmark, renowned for their approaches to crisis management, served as valuable models for Esch-sur-Alzette.

Urban resilience (created with ChatGPT)

Activities

The Esch-sur-Alzette resilience strategy adopts a layered approach akin to an onion, focusing on fortifying the city’s resilience from its core outwards. This entails securing the reliability of technical services on the inside, strengthening citizen-facing services and ultimately prioritising the well-being of both residents and businesses. The plan is built around 12 concrete actions strategically divided into three phases: before, during, and after a crisis.

Before the Crisis: Proactive Preparation. Each city department will assess its vulnerabilities and craft departmental crisis plans. These measures will involve updating safety protocols for critical infrastructure and implementing early warning systems to anticipate potential crises.

During the Crisis: Effective Response. Measures include pre-allocated budgets for crisis response activities, efficient damage assessment protocols, and documented departmental actions to ensure basic functionality and public safety. Additionally, backup plans as well as external and internal resource mobilisation strategies shall ensure a robust response even in unforeseen circumstances.

After the Crisis: Learning and Rebuilding. Regular training exercises and post-crisis debriefings will equip city departments to continuously improve their response capabilities. A structured approach to evaluating incidents will identify valuable lessons learned. Finally, Esch-sur-Alzette fosters a collaborative approach by sharing knowledge and best practices with partner cities, strengthening regional resilience. The plan is to proceed in seven steps. This includes the appointment of a “Chief Resilience Officer”, the regular discussion of resilience plans in the individual community services, the creation of Smart City use cases of technological solutions for increased resilience and the sharing of the plan with the member municipalities of the syndicate ProSud.

Resilience Matrix (Source: Ville d’Esch: https://administration.esch.lu/2023/01/27/esch-pionniere-presente-son-plan-de-resilience/)

Outlook

As a living document, the Esch-sur-Alzette resilience plan will continuously evolve to meet future challenges. The city plans to share its insights and experiences with neighbouring municipalities to foster synergies in resilience-building efforts. Furthermore, ongoing initiatives such as Smart City projects will leverage cutting-edge technologies to further enhance the city’s resilience. This pioneering initiative positions Esch-sur-Alzette as a model for urban resilience, proactively building a more secure and sustainable future for its citizens and potentially inspiring other Luxembourgish municipalities.

Contact

Ville d’Esch – Urban Development Division: https://administration.esch.lu/intro-et-contact/

References

Communication of the city of Esch (French): https://administration.esch.lu/2023/01/27/esch-pionniere-presente-son-plan-de-resilience/

Presentation of the resilience plan (French): https://esch.lu/wp-content/uploads/2023/01/Presentation-Plan-de-resilience-Ville-dEsch.pdf

Newspaper article in tageblatt.lu (German): https://www.tageblatt.lu/headlines/velodukt-gratis-kurzzeitparkplaetze-und-ein-resilienzplan/

In the dynamic and pressured landscape of Luxembourg’s housing market, innovative solutions are essential to address the growing challenges of affordability and community integration. One promising approach is the housing cooperative model, which offers an alternative to traditional homeownership and renting. These cooperatives emphasise communal living, ecological responsibility, and affordability, providing a sustainable and inclusive solution to the housing crisis. Cedric Metz, the president of Adhoc, Luxembourg’s first non-profit housing cooperative, offers valuable insights into the value of housing cooperatives, their role in Luxembourg’s housing market, and the future prospects for such initiatives in the country.

What are housing cooperatives and what is their added value?

Housing cooperatives are organisations that create and manage housing collectively, based on principles of self-help and self-responsibility. Members of a cooperative actively participate in the planning and design of their living spaces and social interactions. The primary value of these living arrangements lies in fostering community and social cohesion. Additionally, the housing is often constructed with ecological considerations and provides affordable accommodation below market rates, contributing to social stability and promoting sustainable living. Housing cooperatives are one form of community housing, next to co-living, rental house syndicates, and communities of owners. People who wish to live together join forces and jointly operate a building in whose flats they are granted the right to live. If economic profits are excluded, the co-operative operates on a non-profit basis.

What is the state of the housing market in Luxembourg and what role do housing cooperatives play?

The housing market in Luxembourg is characterised by high prices and a shortage of affordable housing. Demand far outstrips supply, leading to increasing rents and property prices. Housing cooperatives offer a valuable alternative in this context. They could create affordable housing and promote new forms of communal living, and like Adhoc can promote and raise awareness about the relevance of members not only receiving housing but also participating in the planning and design of their living environments. This potentially fosters a high level of social integration and mutual support.

What challenges do housing cooperatives and alternative housing models face in Luxembourg?

Housing cooperatives and alternative housing models are facing several hindrances in Luxembourg. One major issue is financing. Since these projects are often non-profit, accessing traditional funding sources can be difficult. Additionally, there is a significant need for political support. The housing market is heavily dominated by economic interests, making it challenging to implement socially oriented housing projects. Directly linked to that, the finding and acquisition of land depicts a significant challenge for implementing alternative forms of housing initiated by housing cooperatives due to low land availability, zoning restrictions and limited financing models. It is important to raise awareness among the public and decision-makers about the benefits of these housing models, and to provide them with adequate tools and competences to guide and support such projects from finding a site over adequate financing to facilitating the integration in the existing neighbourhood.

How does Adhoc operate?

Adhoc is a non-profit housing cooperative dedicated to promoting new housing forms and developing cohousing projects. In general, the cooperative provides members with housing that is ecologically built and socially oriented. Members actively participate in the planning of their homes and the structuring of their communal living. A recent pilot project of community housing in Luxembourg’s business district Kirchberg in cooperation with the public developer Fonds Kirchberg was shut down in beginning of 2021. Fonds Kirchberg established of conditions for the site Réimerwee that Ad-Hoc, as a non-profit cooperative, could not meet, such as selling the apartments and selecting residents based on social status. Thus, Adhoc decided not to participate in the tender and will instead focus on promoting social and ecological housing projects. Additionally, the housing cooperative advises those interested in setting up cohousing projects and informs the public and policymakers about the benefits of communal living. Currently, Adhoc is working on a collaborative housing project in Weiler-la-Tour.

Planned housing project in Weiler-la-Tour (Source: Adhoc)

What support do you see from local authorities and the government?

Political support is essential for the successful implementation of housing projects like those of Adhoc. Municipalities and the government should provide financial resources and establish legal frameworks that facilitate the creation and operation of housing cooperatives. Recognising and promoting the benefits of communal living models is crucial as well as encouraging non-profit organisations as relevant actors on the housing market. This does not only include financial support but also the provision of land, the adaptation of building regulations and adapted public procurement such as concept awarding. Additionally, capacity building regarding technical and regulatory expertise within the municipalities could support housing cooperatives, e.g. through counselling centres for those interested in the foundation process.

What is the future outlook for housing cooperatives in Luxembourg?

The future outlook for housing cooperatives in Luxembourg is promising but also challenging. If the demand on the housing market and political will for communal living is not increasing, it will remain difficult to implement alternative forms of housing. Rising housing costs and a desire for sustainable and socially integrated living contribute to increasing interest in alternative housing models. Adhoc is pursuing an alternative way, demonstrating that communal living is not only possible but also desirable. However, it is important that political frameworks continue to improve to provide sustainable support for these housing models.

Contact

Adhoc: info@adhoc.lu

References

Interview by CIPU with Cedric Metz, 24th May 2024

Adhoc (English, French, German): https://www.adhoc.lu/

Introducing Kuebebierg, a new urban development in Luxembourg’s Kirchberg area managed by the Fonds Kirchberg, focused on creating a sustainable and inclusive community. With an emphasis on environmental responsibility, social diversity, and economic viability, Kuebebierg aims to set a benchmark for future urban projects. From promoting alternative transportation to supporting local agriculture, Kuebebierg offers a balanced approach to urban living that prioritizes harmony with nature.

Aim

The aim of the Kuebebierg project is to create a vibrant, environmentally conscious neighbourhood that promotes sustainable living, social inclusivity, and economic vitality. Through careful planning and implementation, the project seeks to establish Kuebebierg as a model for future urban developments, both locally and internationally.

Aerial view of the planned neighbourhood (Source: Güller Güller Architecture Urbanism)

The Kirchberg quarter located on the north-eastern plateau of Luxembourg city is the vibrant business district, hosting not only banking and financial organisations but also EU institutions. The Fonds Kirchberg, established in 1961, operates under the supervision of the Minister of Mobility and Public Works and is responsible for urbanisation and development of the Kirchberg Plateau. It manages its operations and investments independently, relying on proceeds from real estate activities. Its main tasks include construction, urban development, and road infrastructure, with a current focus on building affordable housing. The Fund utilizes leasehold and other rights for land development, emphasising sustainability and community involvement in its planning processes.

The Fonds Kirchberg launched a competitive consultation process to develop an urban design charter establishing objectives for the landscape of the Kuebebierg area, a major land reserve belonging to the public organisation. The 33-ha area is located in a so-called deferred development zone (zone d’aménagement différée, or ZAD). The winning team of the consultation process presented its project in March 2022. The consortium is led by the Güller Güller Architecture Urbanism office in Rotterdam and Zurich, cooperating with Zeyen+Baumann, Atelier Alfred Peter, Etienne Ballan, Cabane Partner, RR&A, ZEFCO, Ecolor, Ville en Œuvre and Belvédère.

Illustrated plan of the Kubebierg neighbourhood (Source: Güller Güller Architecture Urbanism)

Activities

With its circular design and ecological focus, Kuebebierg aims to create a vibrant, liveable community that integrates seamlessly with its surroundings. Activities within the neighbourhood are guided by a holistic vision that embraces the area’s natural and urban characteristics, prioritising principles of sustainability and community well-being.

  1. Promoting Active Mobility: Kuebebierg prioritises diverse mobility options to reduce reliance on individual cars. Direct and secure routes for pedestrians and cyclists are integrated, along with the commissioning of a new tram line to enhance public transport accessibility.
  2. Limiting Car Circulation: With only one vehicle access point and a ratio of 0.5 cars per dwelling, Kuebebierg encourages a shift away from car-centric urban planning. Shared spaces accommodate various modes of transportation, fostering a safer and more vibrant urban environment.
  3. Creating Vibrant Public Spaces: The heart of Kuebebierg features a bustling square, reminiscent of traditional city centres, offering a diverse mix of shops, restaurants, and recreational amenities. These vibrant public spaces serve as focal points for social interaction and community engagement. A linear park and the tram line will connect public spaces, crossed by the spaces “Porte Frieden” and the “Place du Kuebebierg”.
  4. Maximising Renewable Energy Production: Kuebebierg embraces energy efficiency by prioritising renewable energy sources. From efficient building design to on-site energy production and storage, the district aims to minimise its carbon footprint while ensuring optimal living conditions for residents.
  5. Fostering Social Diversity: With a balanced mix of housing typologies and amenities, Kuebebierg promotes social inclusivity and diversity. Affordable housing options, coupled with accessible public services and recreational facilities, create an environment where people from all walks of life can thrive.
  6. Living circularity: the planned programme for the site, the architecture and the infrastructures are all aiming for a high standard regarding carbon footprint, local consumption and low energy demands, etc. In this context, the concept includes for example an urban farm and gardening.
  7. Farming in the City: The city farm project aims to maintain agricultural activity on one of the last remaining sites on the Kirchberg Plateau worked by farmers. It promotes biodiversity through more extensive green space management and offers multifunctional farming activities, including grazing, market gardening, and agro-tourism, contributing to economic, environmental, and socio-cultural services within the community.
Place du Kuebebierg (Source: Güller Güller Architecture Urbanism)

Status of Implementation

The implementation of the project started in 2022. At the western tip of the district, where the city farm and orchards are also planned, initial work began at the end of 2023 (planting trees and exploratory drilling for geothermal energy). This part of the district will also be included in the exhibition LUGA – Luxembourg Urban Garden taking place in 2025.

Onsite photo (Source: Fonds Kirchberg)

Outlook

The winning project for Kuebebierg embodies a vision of urban living in harmony with nature. By integrating topography and green spaces, creating pedestrian-friendly environments, and prioritising sustainability, Kuebebierg sets a new standard for future urban developments.

As construction progresses, Kuebebierg aims to become a living testament to the possibilities of sustainable urban planning. The aim is to achieve a district development plan for 2025, build infrastructure in 2027 and initiate the construction of housing in 2029. With its innovative approach and commitment to environmental and social well-being, Kuebebierg represents not just a neighbourhood but a vision of a more sustainable, inclusive, and resilient urban future.

Contact

Fonds Kirchberg: info@fondskirchberg.lu

References

Fonds Kirchberg (French): https://fondskirchberg.public.lu/fr/concepts-urbains/quartiers-futur/kuebebierg.html

Communication of the Luxembourgish government (French): https://gouvernement.lu/fr/actualites/toutes_actualites/communiques/2022/03-mars/02-urbanisation-terrains-kuebebierg.html

Paperjam article (French): https://paperjam.lu/article/kuebebierg-quartier-tourne-ver Record of the project presentation (French): https://www.youtube.com/watch?v=G56wT-yC8mw&t=38s

The Master Programme for Spatial Planning in Luxembourg, known as “Programme directeur d’aménagement du territoire” (PDAT) 2023, is the central element of the country’s spatial planning policy. Serving as a framework for a sustainable development of the national territory and for enhancing the quality of life of all citizens, the PDAT defines an integrated strategy for sectorial policies with a territorial impact and defines guidelines, objectives and measures for the government and municipalities. The newly adopted PDAT (21 June 2023), which was prepared by the Department of Spatial Planning in cooperation with an interministerial working group, builds upon a large public participation process in 2018 and the international consultation “Luxembourg in Transition” in 2020—2022.

Structure and objectives

PDAT 2035 (Source: Département de l’aménagement du territoire (DATer) 2023)

In order to frame the strategy, objectives and measures, the PDAT was developed in accordance with the following four guiding principles:

  • Increasing the resilience of the territory
  • Safeguarding territorial, social and economic cohesion
  • Ensuring a sustainable management of natural resources
  • Accelerating the transition of the territory to carbon neutrality

Based on those guiding principles, three policy objectives and a cross-cutting objective have been identified, addressing the development issues highlighted in the spatial analysis as well as the challenges imposed by climate, environmental, geopolitical and health crises:

1. Concentration of development in the most suitable places: Central to the PDAT’s mission is guiding sector policies and supporting municipalities in locating essential functions and services in the most suitable places. This aims to facilitate access to services, anticipate and reduce mobility needs as well as plan for critical infrastructure.

By guiding future development, the PDAT enables efficient infrastructure planning and a cost-effective implementation of sector policies. The territorial strategy encompasses an urban hierarchy based on Central Places (centres de développement et d’attraction, CDA), which is supposed to steer the spatial distribution of population (i.e. development) and employment growth (i.e. attraction) in a sustainable manner.

2. Reducing land take: The PDAT focuses on limiting the process of converting natural, agricultural or forest land into built-up areas. Decreasing land take offers several benefits, including mitigating the effects of climate change, preserving natural and semi-natural areas, minimising flood risks, protecting biodiversity, and fostering carbon sequestration. The goal is to gradually reduce land take from by 2035 and tend towards no net land take (zéro artificialisation nette du sol) by 2050.

Dynamics of soil artificialisation 2007-2018 (Source: Département de l’aménagement du territoire (DATer) 2023)

To achieve this, the PDAT puts forward a planning culture that promotes urban regeneration, multifunctionality and efficient land management.

3. Cross-border spatial planning: Taking into account the functional linkages between Luxembourg and its cross-border functional region, the PDAT recognises the need for a concerted territorial development in the Greater Region (Grande Région). To address ecological and climate transition challenges, the Master Programme promotes territorial development strategies for cross-border functional areas, consultation with neighbouring regions in the framework of planning processes, and cross-border resource management.

4. Collaborative Governance as a cross-cutting objective: In the PDAT, governance is considered to be a cross-cutting objective, emphasising the coordination required for effective spatial planning. This is meant to happen horizontally across sector policies, vertically between the State and municipalities, as well as through public participation.

Time Horizon

The PDAT2023 is meant to unfold in two phases: 2023-2035 and 2035-2050. The first period until 2035 will act as a transition phase, which contributes to reversing the current development trends. Actions will focus on identifying and adopting instruments for the implementation of the Master Programme as well as initiating pilot projects and stakeholder connections.

The second phase, from 2035 to 2050, will ensure a steady transition and reverse the trends in question by the implementation of the strategies, while monitoring the developments as well as adapting approaches as needed.

Programme directeur d'aménagement du territoire 2023 - Stratégies territoriales - Portail de l'aménagement du territoire - Luxembourg
Vision 2050 in the PDAT (Source: Département de l’aménagement du territoire (DATer) 2023)

Implementation

In order to achieve the above-mentioned policy objectives in the given timeframes, two territorial strategies have been developed at different scales. First, the national territorial development strategy “Leitbild 2050” envisions a carbon-neutral and resilient territory, emphasising green, yellow and blue networks, the concentration of development in accordance with the urban hierarchy, and a sustainable mobility. This national territorial development strategy has also been broken down to so-called action areas (espaces d’action) at a functional-regional level. In this context, territorial visions for the three urban agglomerations have also been developed. Second, the territorial development strategy at the level of the Greater Region promotes cooperation in cross-border action areas, in accordance with the Interreg VI Greater Region programme. This cooperation fosters integrated territorial development in cross-border functional areas, complementing previous approaches by addressing challenges linked to the environment and natural resources. The implementation of strategies will be fostered through the adaptation of existing regulatory instruments and the potential creation of new ones.

Conclusion

The Master Programme for Spatial Planning in Luxembourg sets a forward-looking and ambitious territorial vision. By addressing climate change, resource preservation and sustainable growth, the PDAT paves the way for the ecological transition of the territory. Through clear strategic objectives and cross-sectoral coordination, Luxembourg is taking a further step towards sustainable development and enhancing citizens’ quality of life.

References

Master Programme for Spatial Planning in Luxembourg – “Programme directeur d’aménagement du territoire” (PDAT) 2023 (French): https://amenagement-territoire.public.lu/content/dam/amenagement_territoire/pdat-programme-directeur-damnagement-du-territoire-4072023.pdf

Spatial planning portal (French): https://amenagement-territoire.public.lu/fr/strategies-territoriales/programme-directeur.html

The 3D model featured on the National Geoportal of the Grand-Duchy of Luxembourg provides a comprehensive and detailed representation of Luxembourg’s landscape. This digital rendering aims to serve as a robust and accessible source of geospatial data, facilitating informed decision-making for policymakers, local administrations, and private individuals. The 3D model strives to encapsulate the intricate details of the country, from individual trees and buildings to streets, offering a dynamic platform for diverse applications and insights into Luxembourg’s terrain.

3D scale model of a section of Luxembourg city (https://www.geoportail.lu/en/)

In a groundbreaking move towards comprehensive data representation, the Luxembourgish Geoportal has expanded its services from traditional two-dimensional maps to an immersive three-dimensional model. The meticulous creation of this 3D model involved the precise measurement of Luxembourg from above, capturing 82 billion reference points that define every tree, building, and street in the Grand Duchy. The extensive data collection for the 3D model included aerial imagery, ground elevation, and detailed information about buildings and vegetation.

The general dataset within Geoportail.lu forms the basis for various thematic sections, covering topics such as water management, agriculture, energy, and the recently introduced section dedicated to nature parks. The digital platform proves instrumental in the effective management of nature parks, allowing stakeholders to access pertinent information effortlessly. For instance, those engaged in agriculture can utilise the platform to streamline data retrieval, consequently reducing delays in negotiations related to the management of these critical natural areas.

3D scale model of a section of Luxembourg city with vegetation (https://www.geoportail.lu/en/)

The platform’s significance extends beyond nature conservation, reaching into the realm of spatial planning and policy advice. The Geoportal can simplify complex decision-making processes in the development and sustainability of Luxembourg’s landscape, e.g. aiding in the identification of optimal locations for tree planting, particularly crucial in mitigating the impact of rising heatwaves. With a substantial user base of around 5,000 daily visitors, Geoportail.lu is a helpful tool, catering to the diverse needs of individuals, governmental ministries, and local administrations.

Moreover, the integration of the 3D model into the Geoportal serves as a powerful tool for urbanism, offering urban planners and architects a nuanced understanding of spatial dynamics. This enhanced spatial insight aids in optimising city layouts, infrastructure development, and the creation of more sustainable and liveable urban environments. It can also act as a catalyst for fostering collaborative initiatives. Through facilitating stakeholder engagement, the model allows urban planners, policymakers, and community members to collaboratively envision and refine development projects.

Generation of a map section in STL format on Geoportail.lu (https://3dprint.geoportail.lu/commande)

For those interested in specific data details, the Digital Building Luxembourg website (see below) provides further insights into the creation process of the 3D model. Additionally, the OpenData portal of the State (see below) offers downloadable files and resources related to the 3D model, including terrain models and surface models that can be printed in 3D or utilised in professional drawing or rendering software. The Administration du Cadastre et de la Topographie (see below) offers a detailed breakdown of available formats, use cases, and specific data sources, ensuring transparency and credibility in the utilisation of 3D geospatial information. Adding to this, the act2bim.geoportail.lu, a platform where georeferenced or local 3D files in Collada, IFC, or Sketchup formats can be ordered is set to launch end of January 2024.

Preview of the ACT2BIM Website (Geoportail.lu)

The integration of the 3D model into the Geoportal not only elevates the user experience by offering a more immersive representation of Luxembourg’s landscape but also significantly enhances the platform’s utility across various sectors. This advanced spatial visualisation proves invaluable for urban planning and architectural simulations, providing a three-dimensional perspective that aids in optimising spatial development. Additionally, the 3D model enriches the Geoportal’s functionality for environmental conservation, allowing conservationists and policymakers to make more informed decisions regarding biodiversity preservation and sustainable land use. The synergistic integration of the 3D model into the Geoportal underscores its role as a dynamic and comprehensive tool, fostering improved decision-making processes and contributing to the holistic understanding of Luxembourg’s diverse terrain.

Contact

Geoportail: support@geoportail.lu

Digital Building Luxembourg: contact@crtib.lu

CIPU: cipu@zeyenbaumann.lu

References and further information

National Geoportail of the Grand-Duchy Luxembourg: https://www.geoportail.lu/en/

Digital Building Luxembourg website (FR): https://www.digitalbuilding.lu/fr/actualite/maquette-3d-du-territoire-national-luxembourgeois/

OpenData portal of the State: https://data.public.lu/

3D Print Export generation: https://3dprint.geoportail.lu/

Administration du Cadastre et de la Topographie: https://act.public.lu/fr/cartographie/export-print-3d.html

The second workshop organised by the CIPU office on the 18th of October narrowed down the annual topic of multifunctionality in the city by focusing on the integration of production and crafts in the city. The participants had the chance to delve into the concept of the Productive City from the different perspectives of municipal strategy development, the technical implementation and the regulatory framework.

The event was hosted in the former fire station barracks in Luxembourg city. The afternoon began with introductory presentations by the City of Luxembourg and the Chambre of Crafts (Chambre des Métiers). These included the Schluechthaus project in Hollerich and the development of the site around the fire station barracks and the former stadium. The focus here was on the technical conversion work on the barracks and the old Schluechthaus in order to bring the buildings up to the current safety regulations for public buildings for interim use. The third presentation dealt with the survey results of the Chambre des Métiers regarding the property requirements of craft businesses in the country.

Source: Ville de Luxembourg

The workshop began with an introductory presentation looking back on the previous thematic workshop in June and the excursion to Brussels in August facilitated by the CIPU. The tasks of the three discussion tables were then introduced. This was followed by a phase of group work in which all participants were assigned to a discussion group, each of which dealt with different aspects of the realisation of the productive city. The results of the discussions are explained in more detail in this documentation.

The first group focused on developing a comprehensive strategy for the implementation of the “Productive City” concept in municipalities. The discussion emphasized the need for both national and municipal-level actions, with the proposed national strategy serving as a guide for municipalities, linking them through centralised elements like a registry of businesses and potential mixed-use areas, as well as a crafts agency. The strategy identified the importance of clear goals, typologies in a national register, and the establishment of cross-sector working groups and a national crafts agency to ensure a multifaceted and coordinated approach. Key actors include a National Crafts Agency, municipalities, the Ministry of the Interior, the Crafts Chamber, and Luxembourg, each playing crucial roles in coordination, financial support, local implementation, and regulatory oversight.

Source: Ville de Luxembourg

The second group delved into the technical implementation of the “Productive City” concept, examining two projects within the current regulatory framework. The first project focused on a productive ground floor in an urban setting, aiming to divide 2,600 m² into flexible modules for various tenants, posing challenges related to flexibility, compatibility, and efficient building planning. The second project involved repurposing historic industrial halls for productive use, facing challenges concerning compatibility with other uses, heritage preservation, and operational concepts. The group identified challenges such as stakeholder coordination, urban integration, and flexibility of building structures, proposing solutions like national-level frameworks, internal building concepts, and zoned programming to address these concerns and make these projects feasible and adaptable over time.

The third group focused on the regulatory framework, aiming to identify obstacles and problematic provisions within existing municipal regulations (PAG/PAP QE/RBVS) related to the implementation of mixed-use areas combining residential and artisanal activities. The discussion revealed that challenges extend beyond local regulations, requiring national-level interventions. Key obstacles included the PAG zones’ strong emphasis on functional separation, parking space regulations, and the absence of a national definition for artisanal activities. Proposed solutions included national-level adjustments to the Règlement Grand-Ducal, standardised parking regulations, and clear definitions for artisanal activities to facilitate local implementation. Additionally, the group advocated for enabling densification in existing activity zones, securing existing businesses, and addressing the impact of the current real estate market on the attractiveness of various functions. The need for collaborative decision-making involving municipalities was emphasised throughout the discussion.

Source: Ville de Luxembourg

The workshop shed light on the urban challenges of blending housing and craftsmanship, emphasising the need for collaborative and holistic solutions. Group discussions pinpointed obstacles like technical requirements for buildings, zoning restrictions and parking norms, stressing the call for centralised coordination and requirement analyses. Overall, the workshop underscored the importance of a united effort to craft practical, flexible strategies for fostering dynamic, mixed-use urban spaces.

Contact

CIPU: cipu@zeyenbaumann.lu

References

CIPU website (French and German): https://site.cipu.lu/

“Luxembourg in Transition” (LiT) can be characterised as an innovative process with the aim of rethinking and reshaping the territorial transition of Luxembourg and its neighbouring regions across the border by developing visions for a desirable future until 2050. The territorial visioning approach is innovative in the sense that it goes beyond traditional planning culture and instruments in an interdisciplinary manner and the spirit of coopetition.

Aim

The main objective of this innovative process is to develop different territorial visions, based on ecological transition scenarios, strategic spatial planning solutions and demonstration projects, for a decarbonised and resilient cross-border functional region of Luxembourg until 2050. The ecological transition refers to achieving the objectives of zero carbon emission while:

  • reducing land take;
  • enhancing biodiversity, improving ecosystem quality;
  • integrating the aspects of housing, transport, energy and digitalisation;
  • creating concepts and models for a territory resilient to climate change;
  • promoting an economic development that is stable, equitable and solidarity-based; and
  • strengthening territorial and social cohesion.

The territorial visions are based on the long-term horizon of 2050. By comparing the visions with the business-as-usual scenario, it becomes possible to identify the changes required for achieving the objectives and design a roadmap.

source: Luxembourg in Transition, 2020: Logo

Partnership

The LiT process was initiated by the Department of Spatial Planning of the Ministry of Energy and Spatial Planning. The consultation was accompanied by different committees: The Scientific Committee provided expertise from research and planning practice; the Advisory Committee incorporated the interests of partner and stakeholder organisations from Luxembourg and the Greater Region; the Interministerial Committee engaged all relevant sector ministries and steered the process; and the Citizens’ Committee (Biergerkommitee Lëtzebuerg 2050) introduced the population’s perspective and addressed recommendations to political decision-makers. An external service provider was tasked with the scientific management of the process and overseeing the work of the expert teams.

Activities

The international consultation within the framework of the LiT process was designed as a three-stage cooperative competition (“coopetition”), aiming to engage international experts from various disciplines and stimulate cross-fertilisation among teams. The consultation brought together practitioners, universities and other research organisations and gathered knowledge in the fields of regional and urban development as well as architecture, environmental and social sciences. The initial ten teams started working in October 2020 and the four final teams presented their results in January 2022. The three stages of the consultation aimed to refine and concretise the so-called “transition visions” developed in each preceding phase.

Stage 1: In this stage, the expert teams were tasked with developing a quantitative approach to assess the effectiveness of measures in reducing greenhouse gas emissions. The metrics needed to quantify various aspects related to land use, energy consumption, waste management, food production, water resources or biodiversity.

Stage 2: Building upon their work in Stage 1, the expert teams were required to apply their metrics to the territory and show how innovative concepts in spatial planning could be implemented. The focus was on the cross-border functional region of Luxembourg, exploring the potentials and challenges of implementing measures in a cross-border context.

Stage 3: The final stage called for the expert teams to develop concrete strategies and exemplary projects to anchor the vision both within Luxembourg and across borders. This stage emphasised topics such as energy efficiency, the protection of biodiversity, resilience and climate change adaptation, resource scarcity and food security.

University of Luxembourg et al., 2021: Representation of a converted commercial area

For instance, the team led by the University of Luxembourg presented measures for regenerating industrial parks and commercial areas through conversion, multifunctional usage, the use of local products and renaturing. The experts developed their vision using the example of the commercial area Foetz in Mondercange, Luxembourg.

Further projects and detailed information about the entire LiT process can be found on the website: https://luxembourgintransition.lu/en/

Outlook

The LiT process represents an innovative approach to shaping the future of Luxembourg. By engaging a diverse range of actors, implementing a multi-stage competition, and incorporating cross-border aspects, the process aims to develop a sustainable and resilient Luxembourg in a sustainable and resilient manner. The vision’s long-term horizon of 2050 provides a framework for setting goals, identifying necessary changes, and establishing a roadmap for this development. The next step is to shift from theory to practical implementation, which consists of pilot projects and demonstrating the ability of the functional region Luxembourg to transition towards a carbon-free territory. Additionally, the transferability and application of the LiT process in other territories – cross border or not – is illustrated in the Guidance Note “Cross-Border Spatial Planning: A vision for a cross-border functional region” which is a Pilot Action of the Territorial Agenda. It demonstrates the applied methodology and discusses the implications of decarbonisation and sustainability for spatial planning and its cross-border dimension. Find out more about the pilot action here: https://territorialagenda.eu/pilot-actions/cross-border-spatial-planning/

Contact

Luxembourg in Transition: https://luxembourgintransition.lu/en/contact-2/

References