30.01.2026

Oslo develops fossil-free urban land-use planning

Building design

Aerial view of a city with a river, photographed by Carrie Borden in Vienna, Austria

Fossil-free urban land-use planning – sounds like a dream of the future, but it is already an urban reality in Oslo. While many European cities are still struggling with climate targets, Norway’s capital is setting standards: from neighborhood development to road construction sites, CO₂ emissions are not only balanced here, but consistently avoided. This comprehensive insight into Scandinavian sustainability strategies shows how Oslo is managing to leave fossil-fuel urban land-use planning behind, what German cities can learn from this and what hurdles lurk on the path to emission-free construction. Spoiler: It’s about much more than green labels – it’s about a paradigm shift in urban planning.

Definition and significance of fossil-free urban land use planning in Oslo
Political, legal and planning principles of the Norwegian pioneering model
Concrete measures: From tenders to fossil-free construction sites
Technical innovations and the role of digital tools
Challenges and lessons learned from Oslo
Comparison with German, Austrian and Swiss approaches
Transferability: what inspiration Oslo provides for German-speaking countries
Prospects for emission-free urban development in Central Europe

Fossil-free urban land-use planning: Oslo as a pioneer of emission-free urban development

In the midst of the global climate debate, Oslo, the capital of a small but ambitious country, has emerged as an international role model for fossil-free urban development. While the feasibility of climate targets is still being discussed elsewhere, Oslo is pursuing a consistent strategy to eliminate emissions throughout the entire construction and urban development process. But what does fossil-free urban land-use planning actually mean in an urban context? Essentially, the term describes a planning and construction process that completely dispenses with the use of fossil fuels – such as diesel, heating oil or natural gas. The aim is not only to reduce CO₂ emissions during the use of buildings or infrastructure, but also to minimize the emissions that arise during their construction and maintenance.

Oslo has made this approach the basis of its urban development policy, thereby establishing a new quality of sustainability. The city administration no longer sees urban land use planning merely as an instrumental control of land use, building density or urban design, but as an integral lever for active climate protection. This means that no fossil fuels may be used when drawing up development plans, formulating tenders or awarding construction contracts. These requirements are not optional, but mandatory and are enforced through a combination of political decisions, legal requirements and innovative planning instruments.

The impetus for this development did not come about by chance, but is closely linked to the Norwegian capital’s ambitious climate targets. Oslo wants to be climate-neutral by 2030 and therefore started looking for low-emission alternatives at an early stage. As one of the most important CO₂ drivers, the construction industry quickly came into focus. In practice, this means that not only building owners and architects, but also construction companies, suppliers and planning offices are being held accountable. Fossil-free urban land-use planning is therefore not an exclusive luxury for individual lighthouse projects, but has been a reality for all urban construction projects for several years – from new school buildings to sewer construction sites.

Another key to success: Oslo does not rely on appeals or voluntary commitments, but creates clear framework conditions and verifiable standards. The city council has defined a series of binding criteria that must be adhered to when awarding public construction contracts. These include, for example, the use of electric machines on construction sites, the use of renewable energies in the production of materials and strict limits for the carbon footprint of building materials. These requirements are regularly evaluated and tightened if necessary. This creates a dynamic regulation that promotes innovation and consistently puts pressure on latecomers.

Oslo thus demonstrates that fossil-free urban land-use planning is more than just a technical detail or a green coat of paint for existing processes. It is a fundamental paradigm shift that involves all players in urban development and leads to a new culture of responsibility. The city thus becomes a laboratory for the zero-emission future – and a model for many municipalities in Europe that are still at the beginning of this development.

From vision to practice: instruments and measures for fossil-free construction in Oslo

The implementation of fossil-free urban land-use planning in Oslo follows a clear strategy that starts at several levels. First, the political and legal framework conditions were adapted to make sustainable construction the standard. As early as 2016, the city council adopted a climate strategy that formulated concrete targets for phasing out fossil fuels in the construction sector. Binding requirements for municipal construction projects and procurement procedures were derived from this strategy. It is particularly noteworthy that Oslo did not wait for promises of technological salvation, but actively steered the market towards sustainability through ambitious tenders.

One key instrument is the so-called “Zero Emission Construction Sites”. These are construction sites where only emission-free machines and vehicles are used. Whether excavators, cranes, concrete mixers or generators – all equipment must be powered by electricity, preferably from renewable sources. The city not only provides the necessary power connections for this, but also promotes the acquisition and development of new technologies through targeted subsidies and partnerships with the industry. These construction sites serve as real-world laboratories for innovative solutions and impressively demonstrate that emission-free construction is also possible in a large-scale context.

Other measures include setting CO₂ limits for building materials, the mandatory use of Environmental Product Declarations (EPDs) and the introduction of digital tools for emissions accounting. Planning offices and construction companies must provide detailed evidence of how they comply with the emission requirements and which materials are used with which carbon footprint. Digital twins, i.e. detailed virtual images of construction projects, enable precise simulation and monitoring of emissions over the entire life cycle of a building. This allows different scenarios to be compared and optimization potential to be identified as early as the design phase.

Another building block is the close integration of urban land-use planning and urban climate policy. New development plans not only contain specifications for use, density and design, but also specific requirements for energy supply, construction site operations and the choice of materials. The integration of environmental and climate protection aspects into early public participation also ensures that sustainability is not seen as an afterthought, but as an integral part of every project. The City of Oslo relies on transparent communication and active involvement of the public in order to promote acceptance and a willingness to innovate.

The successful implementation of these measures requires close cooperation between administration, business and civil society. To this end, Oslo has created special coordination offices that act as an interface between the various stakeholders and ensure the transfer of knowledge. Through regular evaluations and the publication of experience reports, the city also creates a learning system that is continuously improved. Fossil-free urban land-use planning in Oslo is therefore not a rigid set of rules, but a living process that is geared towards new challenges and technical developments.

Technological innovations: Digital tools on the way to a fossil-free city

The consistent implementation of fossil-free urban land-use planning in Oslo would hardly be conceivable without the targeted use of digital technologies and innovative tools. Digital twins, building information modeling (BIM) and automated emissions calculations play a central role in this. All relevant data on building materials, transport routes, energy sources and construction site logistics are brought together and mapped in digital models as early as the planning phase. These models make it possible to compare different construction variants in terms of their ecological impact and thus select the solution with the lowest emissions.

One particularly exciting aspect is the integration of real-time data into construction planning. Sensors on construction sites continuously record the energy consumption, machine running times and emissions of all equipment used. This data is collected in central platforms and can be analyzed in real time by planners, site managers and municipal authorities. This opens up new possibilities for controlling and optimizing the construction process. Instead of blanket CO₂ estimates, exact emissions data can be determined for each construction phase and checked for compliance.

Oslo also relies on the development and application of software solutions that enable automated checks of tenders and building applications. This ensures that only companies that meet the requirements for fossil-free construction sites are awarded contracts when construction work is awarded. At the same time, infringements can be quickly identified and sanctioned. This not only increases the binding nature of the requirements, but also motivates construction companies to invest in innovative technologies and low-emission processes.

In the area of material selection, digital tools support the evaluation and selection of building materials with the lowest possible carbon footprint. Environmental product declarations are automatically integrated into the building data models and enable transparent tracking of the materials used. Digital twins also open up new possibilities for the sustainable design of the life cycle of buildings when dismantling and reusing components. The consistent digitalization of urban land use planning thus not only ensures greater efficiency, but also unprecedented transparency in terms of climate protection.

In Oslo, linking technology and sustainability is not an end in itself, but a strategic instrument for achieving the city’s ambitious climate targets. The use of digital tools makes it possible to visualize complex interrelationships, make data-based planning decisions and reliably monitor compliance with emissions targets. Oslo is thus establishing a new standard for the planning and management of sustainable urban development that will have an impact far beyond Norway’s borders.

Challenges, limits and transferability: what Oslo teaches us – and what remains

As impressive as Oslo’s progress towards fossil-free urban land use planning is, a closer look reveals the challenges and limitations of this ambitious approach. Firstly, there is the question of scalability: Oslo benefits from a comparatively small administration, short decision-making processes and a high level of social acceptance for climate protection measures. In larger or federally organized cities such as Berlin, Munich or Zurich, the conditions are far more complex. Different responsibilities, fragmented planning structures and diverging interests make it difficult to consistently implement fossil-free targets.

Another obstacle is the availability and cost-effectiveness of suitable technologies. While Oslo specifically invests in research and development and promotes pilot projects, other countries often do not have the same level of funding available. The market for emission-free construction machinery is also still limited, especially for large equipment or specialized applications. Political impetus, targeted funding programs and close cooperation between local authorities, industry and science are needed to drive forward the necessary innovations.

The legal framework is also not as flexible everywhere as it is in Norway. In Germany, Austria and Switzerland, many building regulations are geared towards the status of traditional technologies and leave little scope for experimental approaches. The integration of emission criteria into urban land-use plans or procurement procedures often comes up against legal limits. This calls for adjustments to building and public procurement law as well as bold political decisions to pave the way for fossil-free construction planning.

The question of social acceptance is particularly exciting. Oslo benefits from a strong consensus in favor of climate protection and a high level of willingness to break new ground. In German-speaking countries, the debate is often still characterized by conflicting goals and resistance. The introduction of fossil-free construction sites or strict emissions targets is often perceived as a burden for the construction industry or as an obstacle to innovation. This makes it all the more important to clearly communicate the benefits of sustainable urban land use planning – from improved air quality to new value creation opportunities – and to involve all stakeholders in the process.

Despite all the challenges, the example of Oslo shows that fossil-free urban land-use planning is not a utopian goal, but a realistic and achievable path. The city proves that ambitious climate policy and innovative urban development can go hand in hand if the political will, the right instruments and consistent implementation come together. Oslo thus offers valuable inspiration for cities in German-speaking countries – and proof that it is possible to move away from fossil fuels in the construction sector if you want to.

Prospects for Central Europe: how can Oslo’s approach be adapted?

The big question facing planners and urban developers in Germany, Austria and Switzerland: What can, what should and what must be learned from Oslo? The answer to this is complex. First of all, Oslo shows that clear political objectives and binding targets are the key to sustainable change. Anyone who seriously wants to implement fossil-free urban land-use planning must make it mandatory – and not offer it as a voluntary extra. This requires courage, perseverance and an administration that is prepared to break new ground.

Another key point is the active shaping of market conditions. Oslo has managed to create pressure to innovate and stimulate the market for emission-free technologies through targeted tenders and funding programs. For German-speaking countries, this means that public developers should use their market power to demand sustainable solutions and promote innovation in a targeted manner. This applies in particular to large cities and conurbations, where the leverage effect on the construction industry is especially high.

The integration of digital tools into urban land-use planning is also a key success factor. Cities in Central Europe have excellent foundations in the field of digitalization, but are often still too hesitant to exploit their potential for sustainability. The development and application of digital twins, automated emissions calculations and transparent monitoring systems must be driven forward. Digitalization is not an end in itself, but a powerful tool for implementing and verifying climate targets in practice.

Last but not least, there needs to be a cultural change in planning. Fossil-free urban land-use planning is not a purely technical challenge, but a question of mindset. It requires everyone involved – planners, administrations, construction companies and citizens – to be willing to take responsibility and break new ground. Participation, transparency and communication are key building blocks for creating acceptance and overcoming resistance. Oslo shows that open, dialog-oriented urban development is the best breeding ground for sustainable innovation.

The path to fossil-free urban development is not a sprint, but a marathon. But the example of Oslo proves it: Those who consistently lead the way can set new standards and inspire other cities. For Central Europe, this is perhaps the most important lesson: the emission-free city is not a distant dream, but an achievable goal – if the will to change is there and the right instruments are used. It is worth going down this path. For the climate, for the city – and for the future of building culture.

Conclusion: Oslo as a laboratory of the future – and a signal for Europe’s cities

Oslo has shown how fossil-free urban land-use planning works not just on paper, but in built reality. The Norwegian capital shows that ambitious climate targets, consistent regulation, digital innovations and partnership-based action are the key ingredients for sustainable urban development. While many cities are still debating the right instruments and the right pace, Oslo has long been setting new standards – and proving that it is possible to move away from fossil fuels in the construction industry.

For German-speaking countries, Oslo offers not only inspiration, but also a clear guide to action. It is not enough to wait for technological breakthroughs or social change – what is needed is an active shaping of the framework conditions, courageous political decisions and a consistent anchoring of sustainability in all phases of urban land-use planning. Digital tools such as digital twins and automated emission controls are just as indispensable as the involvement of all stakeholders.

Of course, there are challenges: Legal hurdles, technological bottlenecks and social resistance are also commonplace in Oslo. But the Norwegian capital’s experience shows that these obstacles can be overcome – through innovation, cooperation and a clear political course. Fossil-free urban land-use planning is therefore no longer a vision, but a tried and tested practice and forward-looking model for cities throughout Europe.

The path to emission-free urban development is challenging and requires courage, creativity and commitment from everyone involved. However, it offers the opportunity to make cities not only more climate-friendly, but also more liveable, innovative and sustainable. Oslo has taken the first step – now it is up to others to continue on this path and make the fossil-free city the new European norm. Those who act now will shape the city of tomorrow – fossil-free, resilient and full of possibilities.

21.12.2024

Trade

Where will people of the future eat?

Building design

Part of the jury (from right to left): Frank Waldecker

Eating is and will remain a basic human need. What may change in the future, however, is where and how we eat. The student competition “Restaurant of the Future – Gastronomy 4.0” addresses this exciting topic. The jury meeting took place on January 17, 2018.

Eating is and will remain a basic human need. What may change in the future, however, is where and how we eat. Baumeister and the trade magazine Gastronomie-Report took on this exciting topic by jointly organizing the student competition “Restaurant of the Future – Gastronomy 4.0”. The jury meeting took place last Wednesday.

Every two years since 2004, Gastronomie-Report has organized the world’s only ideas competition for the gastronomy of the future – in 2018 for the first time with the architecture magazine Baumeister, which is why there is now a stronger focus on architecture. The participating students addressed the question of what the restaurant could look like in 20, 40 or 60 years – determined by digital and global developments – and what opportunities architecture offers to create gastronomic experiences.

In a jury meeting on January 17, 2018 at the Callwey publishing house, the 30 or so entries were discussed and evaluated. In addition to Willy Faber from Gastronomie-Report and Sabine Schneider and Anja Koller from Baumeister, the jury included other experts from the fields of architecture and gastronomy: These were Munich restaurateur Frank Waldecker, industrial designer and architect Philipp Zimmermann, Sascha Arnold from Arnold/Werner Architekten and Ann Sophie Brune-Bau, industrial designer and architect.

The designs

The architecture students’ designs inspired the jury members to engage in intensive and controversial discussions. It became clear that it is difficult to predict the directions in which society will develop – however, the designs give a foretaste of the exciting ideas that budding architects have in terms of restaurant design and the trends that are emerging. The general tenor was on topics such as scarcity of resources, sustainability and recycling as well as the transparency of production processes and experiential gastronomy.

Students from the following universities took part in the competition: Burg Giebichenstein University of Art and Design Halle, Berlin University of the Arts, University of Stuttgart, RWTH Aachen, FH Dortmund, Münster School of Architecture, FH Aachen, RheinMain University of Applied Sciences, TU Braunschweig, University of Hanover, TU Berlin, TU Munich, TU Dortmund, TU Cologne, TU Kaiserslautern, TU Delft (Netherlands), Staatliche Akademie der Bildenden Künste Stuttgart.

And so it goes on!

The first three places will be announced at Intergastra 2018, which will be held in Stuttgart from February 3 to 7. The first prize winner will receive 1,500 euros, the second 1,000 euros and the third 500 euros. In addition, everyone who submitted a work to the competition will receive a one-year subscription to Baumeister.

24.01.2025

Rigole: Innovative drainage concepts

Building design

Infiltration trenches serve as underground storage structures that absorb rainwater and slowly release it again. Credit: Wikicommons

Increasing urbanization and climate change pose enormous drainage challenges for cities around the world. Heavy rainfall events and rising floods are endangering infrastructure and the quality of life of residents. One innovative solution for overcoming these challenges is infiltration trenches, which are becoming increasingly established as sustainable drainage solutions. They offer an environmentally friendly way of storing excess rainwater and draining it away in a controlled manner.

Infiltration trenches are underground storage structures that absorb, store and slowly release excess rainwater. They consist of a layer of permeable material that allows water to seep into the ground instead of being discharged into the sewer system. In many cases, infiltration trenches are designed as part of an infiltration drainage system that also incorporates natural resources such as soil and plants into the water balance.

Essentially, infiltration trenches are infiltration-capable rainwater storage tanks that serve as an efficient solution for drainage and flood prevention in urban areas. They typically consist of the following components:

Inlet systems: These direct the rainwater into the infiltration trench. This can be done via gutters, manhole covers or channels.
Storage area: This part of the infiltration trench consists of a permeable material such as crushed stone or gravel, which stores the water and prepares it for infiltration.
Filter or geotextile layer: This layer prevents the ingress of dirt or sediment that could clog the system.
Outlet system: A controlled outlet allows the slow and controlled release of water into the ground or into the sewage system to prevent overloading.

Infiltration trenches work according to a simple but effective principle: they collect excess rainwater and channel it into the ground, where it can either seep away or gradually drain into the groundwater. The principle is based on the soil’s natural ability to filter and store water.

Water absorption: Rainwater is directed into the infiltration trench via the inlet systems.
Storage: The water is collected in the permeable storage layers of the infiltration trench, which temporarily store it while it awaits infiltration.
Infiltration: The water slowly infiltrates into the ground, reducing pressure on the sewer system and the risk of flooding.
Slow release: If the storage capacity of the infiltration trench is exceeded, the outlet ensures that the excess water drains away in a controlled manner.

The speed of infiltration depends on the soil conditions and the capacity of the infiltration trench. This slow and targeted release regulates the amount of water runoff and at the same time minimizes the risk of erosion and flooding.

The use of infiltration trenches for the drainage of urban areas offers numerous advantages:

Prevention of flooding: Infiltration trenches reduce the load on the urban drainage system as they absorb some of the rainwater and delay runoff. This reduces the risk of flooding after heavy rainfall events.
Promotion of groundwater recharge: Infiltration of rainwater recharges the groundwater, which is particularly important in areas where water is scarce.
Reducing the load on the sewage system: Infiltration systems reduce the need to expand expensive and energy-intensive sewage systems, as they efficiently control water runoff and reduce the load on the sewers.
Promotion of biodiversity: The storage of rainwater can lead to the greening of urban areas and the promotion of green spaces, which improves the urban climate and increases the quality of life.
Cost efficiency: Compared to conventional drainage systems, infiltration systems are more cost-effective as they require little maintenance and can be easily integrated into urban infrastructures.

The integration of infiltration systems in urban areas requires careful planning and consideration of the local conditions. In cities where the soil is not very permeable or where space is limited, alternative solutions such as infiltration trenches with water-permeable concrete slabs or special materials that enable good water absorption must be considered.

Another important aspect is the cooperation between urban planners, engineers and the population. Often, infiltration trenches need to be used in combination with other sustainable drainage solutions such as green roofs, rain barrels or infiltration swales to create a comprehensive solution for rainwater harvesting.

Cologne, Germany: In Cologne, infiltration trenches have been installed in various parts of the city to relieve the sewer system and prevent flooding during heavy rainfall. A particularly successful example is the “Green Belt” in Cologne, where infiltration trenches are part of a comprehensive drainage concept that also takes green spaces and sustainable urban development into account.
New York City, USA: In New York, infiltration trenches have been integrated into several neighborhoods as part of the “Green Infrastructure” project. This has led to a significant reduction in surface runoff and helped to relieve pressure on the sewer system during peak periods.
London, Great Britain: In London, the Sustainable Drainage Systems (SuDS) scheme was launched, with infiltration systems installed in several new development areas and public spaces. This helps to manage water runoff and mitigate the effects of heavy rainfall.
Singapore: Singapore has introduced infiltration trenches as part of its comprehensive strategy to improve urban water management. Here, infiltration trenches are often combined with other solutions such as rainwater storage and green roofs to protect the city against flooding.

Infiltration trenches are a promising solution for the sustainable drainage of cities, which are increasingly struggling with flooding due to heavy rainfall and urbanization. Not only do they offer ecological benefits by promoting water absorption and storage in the soil, but they also help to reduce the burden on sewers and infrastructure. The integration of infiltration trenches into urban drainage systems is an important step towards sustainable and climate-resilient urban development.

More on the topic and our STOP THE FLOOD campaign here.