Open letter to G20 leaders from the mayors of their great cities
As the G20 Summit meets in Hangzhou this week, we, mayors of the major cities within the G20, call on…
C40 Mayors Summit Countdown: We’re Three Months Away!
In three months, the sixth biennial C40 Mayors Summit will take place in Mexico City. Hosted by Mayor of Mexico…
Chennai Becomes 6th Indian City to Join C40
C40 is pleased to welcome Chennai to our global network of cities committed to tackling climate change. In joining C40, the Greater…
Amman’s Ayman Smadi on tackling climate change in the face of rapid urbanization
My city Amman, the capital of Jordan, is just one city already attempting to deal with the challenges of both…
Paris Mayor Anne Hidalgo Elected as New C40 Chair
C40 Cities Climate Leadership Group announced today in Rio de Janeiro that Paris Mayor Anne Hidalgo has been elected to…
The Olympic Feat of Urban Sustainability
Today, the eyes of the world are on the city of Rio de Janeiro, as visitors and Cariocas alike revel…