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Rio de Janeiro

Press Release

August 19, 2022

World’s 20 best climate projects compete for the 2022 C40 Cities Bloomberg Philanthropies Awards

Today, C40 Cities and Bloomberg Philanthropies announced 20 city finalists for the 2022 C40 Cities Bloomberg Philanthropies Awards.
Press Release

June 30, 2022

Global Mayors will tackle the climate crisis at C40 World Mayors Summit

Mayors will gather in Buenos Aires for triennial conference on local climate action and securing a sustainable, equitable future Summit...
Thought Leadership

March 28, 2022

C40 releases 2021 Annual Report

An excerpt from C40's 2021 Annual Report written by C40 Chair Mayor of London Sadiq Khan and C40 Executive Director…
In Focus

December 31, 2021

C40: 2021 in focus

A round-up of the key activities and achievements of C40 Cities in 2021.
Thought Leadership

November 30, 2021

A letter by Mayor Eric Garcetti, Chair of C40 Cities 2019–2021

Mayor of Los Angeles Eric Garcetti reflects on his time as the Chair of C40 Cities.
In Focus

November 3, 2021

Day 3 at COP26: All you need to know from C40

Day 3 at COP26 is finance day, drawing attention to the need for a step-change in the way global finance…

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