C40 Cities: mayors taking ambition to the next level

Publication date:
Emmanuelle Pinault, Director of City Diplomacy Programme, C40 Cities Climate Leadership Group

In little more than a decade, C40 has established itself as one of the most influential global network of cities.1 Gathering 96 of the world’s largest cities, which account for more than a quarter of global GDP, C40helps mayors to exchange, design and implement the policies that most effectively address the impacts and causes of climate change.