About the C40 Summit

The C40 World Mayors Summit will bring together the mayors of global and regional cities, alongside business leaders, philanthropists, campaigners, youth leaders, scientists and residents, to share bold ideas, showcase innovative solutions and stand together to create a sustainable, prosperous and equitable future.

Cumbre Mundial

Why Buenos Aires?

An active C40 member since 2006 and current member of the C40 Steering Committee representing Latin America, Buenos Aires has committed to halving its carbon emissions by 2030 and going fully carbon neutral by 2050. Its bold and innovative climate solutions can be an inspiration to all.

¿Por qué Buenos Aires?

About C40

C40 is a network of mayors of nearly 100 world-leading cities taking urgent action to confront the climate crisis and create a future where everyone can thrive. Representing 582+ million people and one-fifth of the global economy, mayors of C40 cities are on the leading edge of climate action, deploying a science-based and collaborative approach to help the world limit global heating to 1.5°C, and build healthy, equitable and resilient communities.

Sobre el C40

COUNTDOWN TO THE C40 SUMMIT

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LATEST NEWS & FEATURES

IN FOCUS

Mumbai Climate Action Plan

A deep dive into the first Climate Action Plan from a C40 city in the South and West Asia region

October 3, 2022
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NEWS ROUND-UP

Green News Digest: September

Singapore is calling for residents to share their views on climate action and sustainable living

September 30, 2022
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ARTIST CAMPAIGN

Tessa Chong

An ongoing project showcasing the work of artists from around the world encouraging people to imagine what the world could look like if city,...

September 28, 2022
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The C40 Summit is delivered with the support of: