Brussels - Climathon 2019


Join the Climathon in the Capital of Europe to get better at getting the climate better

Think European, act locally. Give feedback to the future and bring about innovation to help Brussels to drop its fossil fuel addiction. What do you propose to get to zero emissions in your neighboorhood within one generation? Boldly plan the air in Brussels to be clean in 2030; what'll we do now?


The Brussels metropolitan area measures 161 sq km. Brussels is the political capital of Europe as well as the capital of Belgium. It is home to the institutions of the European Union and the Headquarters of the NATO; 27% of its residents are of non-Belgium origin.

Brussels districts are well connected by public transportation and by a growing cycle network; its compact city centre invites to walk. Brussels’ 1.2 million inhabitants welcome 324.000 daily commuters and 11 million tourists per year.

The main sources of greenhouse gas (GHG) emissions in Brussels are the heating & cooling of buildings (almost 70% of direct emissions) followed by transport (21%). Since 2004, emissions and energy consumption show a downward trend. The Brussels Region signed the Covenant of Mayors for Climate & Energy and adopted a climate plan to reduce GHG emissions by 40% in 2030 compared to 1990 levels, bring the proportion of renewable energies to > 27%, and improve energy efficiency > 27%.

Three exciting challenges are waiting to be solved by you.

These three challenges are waiting to be solved. They are formulated around the questions (1) how to help Brussels to drop its dependency on carbon-based fuels and (2) how to improve air quality in Brussels. You and your team will be assisted by experts and mentors to address the challenges below.

How to use ICT and social media to reduce the use of fossil fuels in Brussels?

The Brussels Climathon let you team up with persons who want to take action on climate change. Fossil fuels is the single most important cause of climate change and air pollution. Digital technologies connect people, data & devices. Let's repurpose the use of data on our devices and clean Brussels

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How to become aware of energy consumption of buildings and incite retrofitting and behaviour change?

70% of greenhouse gas (GHG) emissions in Brussels is caused by the heating of buildings. Insulation of buildings is significantly reduces energy use. The challenge is to make owners and tenants aware of the potential for GHG emission reductions by investing efficiency measures and change of attitude

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How to promote green solar roofs and facades? Good reasons to combine greening of building with PVs

Roof gardens with photovoltaics help tackling air pollution, increasing biodiversity, and transforming buildings into self-sustaining living units. But there are few green solar roofs in Brussels. How can integrative planning and implementation be optimized? How can economic efficiency be increased?

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Our Partners


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Climate Dialogues

Climathon Challenge Manager

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