The Green City Accord is a movement of European mayors committed to making cities cleaner and healthier. It aims to improve the quality of life for all Europeans and accelerate the implementation of relevant EU environmental laws. By signing the Accord, cities commit to addressing five areas of environmental management: air, water, nature and biodiversity, circular economy and waste, and noise.

A step-by-step guide for EU cities on how to join a movement of leaders building a clean, healthy urban future.

By joining the GCA, cities commit to taking further actions in 5 environmental management areas to achieve ambitious goals by 2030 and accelerate the delivery of the European Green Deal requirements.

Specific information for cities on the monitoring and reporting process of the Green City Accord.

Not a city, but still interested in supporting the Green City Accord? Find out how your organisation can support.

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As the European Green Capital 2025, Vilnius has launched a series of sustainability projects, from student challenges to eco-conscious art installations and tree planting, setting an example in green governance and community-driven environmental action.

The city of Stockholm has officially launched its Environment Programme and Climate Action Plan 2030, laying out a comprehensive roadmap to become fossil-free, circular and climate-positive by 2040.

For the 15th time, the European Commission is looking for the next winners of the European Green Capital and European Green Leaf Awards. In our challenging times, cities are at the forefront of sustainable action. 20 cities have entered the competition for the 2027 titles.