• 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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  • Blog post

  • Blog post

  • Blog post

    What climate risks does the city of Venice face? What actions has Sydney undertaken to prepare for future heatwaves? What has Paris done to reduce its carbon footprint? The answers to these questions and more are now available in 10 In Focus City Reports that provide insight into how the world's leading cities are becoming more sustainable.

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  • Case study

    In Focus City Reports: Paris

    February 25, 2015 Paris

    The In Focus city reports provide valuable insight into the efforts of the world's leading cities to become more sustainable. This report has been developed with C40's official reporting partner, CDP Cities, and AECOM, using data submitted through CDP's reporting platform. It conveys information about how Paris perceives its climate risk, measures key climate change-related data, and manages climate action.

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