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Paris

In Focus

September 30, 2024

It’s in the Air: Clean air zones are improving public health and ending our dependence on fossil fuels

Learn about C40 Cities' It's in the Air campaign, which focused on clean air zones as a major solution to…
In Focus

September 27, 2024

What happened at Climate Week NYC?

C40's highlights from the 2024 Climate Week in New York City
Statement

September 20, 2024

Mayors, governors and subnational leaders call for greater action on fossil fuels from Heads of State at UN Summit

Ahead of the UN Summit of the Future, mayors are urging Heads of State to step up action and leave…
Thought Leadership

July 25, 2024

Clean Air Zones – A Win for People and the Planet

What Mayor Hidalgo is achieving in Paris has been an inspiration for cities around the world, and today, C40 is…
Press Release

July 25, 2024

C40 Cities mayors launch global air quality marathon as new poll reveals widespread support

Mayors from C40 cities gather in Paris to launch 'It's In The Air' – a global C40 campaign highlighting people-focused…
Statement

July 17, 2024

Building a sustainable future for everyone, everywhere

The European Union should follow cities' lead to create a prosperous and safe future. Letter from C40 Europe mayors to…

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