C40 is a network of the world’s megacities committed to
addressing climate change. C40 supports cities to collaborate
effectively, share knowledge and drive meaningful, measurable
and sustainable action on climate change.
Photo: Kois Miah
Cities are where the future happens first. The C40 Cities Climate
Leadership Group connects more than 90 of the world’s greatest cities,
representing over 650 million people and one quarter of the global economy.
Created and led by cities, C40 is focused on tackling climate change
and driving urban action that reduces greenhouse gas emissions and
climate risks, while increasing the health, wellbeing and economic
opportunities of urban citizens.