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.
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Seven cities have been shortlisted by the Commission to enter the final stage of the European Green Capital and Green Leaf Awards.

Discover how the Green City Accord’s new 'associated city' status expands its mission to include non-EU cities, strengthening cleaner, healthier urban environments across Europe.

The mayor of Guimarães and acting director-general of the European Commission's environment department signed the letter of intent for the city’s title as European Green Capital 2026.

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.