Open Letter on the Summary Report for Urban Policymakers: What the IPCC Special Report on Global Warming of 1.5° Means for Cities
We are a group of sustainability-focused city-networks, associations and NGOs and international organisations working in and on cities worldwide. We…
Climate science tells us that 1.5°C is likely to become the most important number in human history
To help mayors of the world’s most influential and powerful cities to deliver on this incredible responsibility and opportunity, C40…
2018: A Year of Dazzling City Climate Leadership
Ahead of COP24, C40 looks back at 2018 – a fantastic year of city climate leadership – with several city…
November 2018: News from C40 Adaptation Diplomacy
From November 6th to 8th, Mayor Herbert Bautista welcomed nine Asian megacities – Jakarta, Hanoi, Singapore, Ho Chi Minh, Tokyo,…
Paris and Mexico City share stories of hope and ambition at the United Nations
Paris, Mexico City and C40’s City Diplomacy Programme recently participated in the United Nations’ Talanoa Dialogue, an unprecedented opportunity for…
City Diplomacy Brief, April 2018
Read more from C40's City Diplomacy team about how cities are demonstrating leadership by collaborating with national leaders and engaging…