• Event

    C40 Forum

    December 4, 2015 - December 4, 2015 Salon des Arcades, Second Floor, Hôtel de ville, Paris City Hall

    C40 mayors demonstrate their continued leadership in addressing climate change and showcase the benefits of working together through C40’s global network.

    Watch the Forum live.

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  • Blog post

  • Blog post

    Today, the C40 Steering Committee with Mayor of Paris Anne Hidalgo and U.N. Secretary-General's Special Envoy for Cities and Climate Change Michael R. Bloomberg issued a statement of solidarity against terrorism and a unified commitment to build resilient and sustainable cities of the future. Led by mayors, the C40 Steering Committee provides strategic direction for the organisation.

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  • Blog post

    The highly anticipated international climate negotiations – or COP21 – are underway this week in Paris. C40 mayors from around the world are on their way to Paris to share the story of successful city climate action with the international community, and add to the growing momentum supporting global climate action. C40 will be on the ground throughout COP21, and we’ve got several exciting events planned with our partners. Take a look at the links below, and be sure to stay tuned for updates by following @c40cities on Twitter and checking our C40 blog.

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  • Blog post

    Today, the C40 Cities Climate Leadership Group (C40) and research partner Arup released Climate Action in Megacities (CAM 3.0), a groundbreaking and definitive assessment of how the world’s leading mayors have taken on the urgent challenge of climate change. CAM 3.0 presents major new insights into the current status, latest trends and future potential for climate action at the city level. Since the last major COP in Copenhagen, C40 cities have taken 10,000 climate actions – a doubling of actions in just six years – and have committed to reduce their CO2 emissions by 3 Gt CO2 by 2030, equivalent to the annual carbon output of India.

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