Global Leadership on Climate Change
C40 is a network of the world’s megacities committed to addressing climate change.
Acting both locally and collaboratively, C40 cities are having a meaningful global impact in reducing both greenhouse gas emissions and climate risks. C40 brings together a unique set of assets and creates a shared sense of purpose. C40 offers cities an effective forum where they can collaborate, share knowledge and drive meaningful, measurable and sustainable action on climate change.