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

Unlocking green finance

Exploring the ways cities can secure the green finance needed to take urgent and united climate action

September 23, 2022
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THOUGHT LEADERSHIP

Megacities in developing countries can help win the fight for our climate

By Mafalda Duarte, Chief Executive Officer of the Climate Investment Funds

September 21, 2022
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SPACES IN THE CITY

Buenos Aires’ Circular Economy Network

Collaborating with residents and the private sector to increase recycling and reduce waste generation

September 16, 2022
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