• Blog post

    It’s has been an invigorating day here in Rio de Janiero, Brazil, filled with groundbreaking announcements, engaged discussion and determination from Mayors and cities across the globe to create a more sustainable future for the planet. In case you missed it, here is wrap up including what we announced today and the important discussions that took place. But just because our event is over, does not mean we are done. For us, the week is just beginning. So check back tomorrow for more information videos, photos, and insights.

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  • Blog post

    C40 Cities Mayors from across the globe convened this morning to announce that C40 Cities’ existing actions will reduce annual greenhouse gas emissions by 248 million tonnes in 2020 and the potential reduction could be over 1 billion tonnes by 2030. Below are photos from the Mayors' tour of Humanidade 2012 at the Forte de Copacabana, the GHG reduction announcement, and the first of a series of round tables on how cities are paving the way forward on climate change action. Check back on our blog for a wrap up later today and stay tuned throughout the week for more coverage of Rio + C40.

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  • Blog post

  • Blog post

    Good morning everyone! There is a growing excitement on the ground in Rio de Janiero, as C40 Chair New York City Mayor Michael R. Bloomberg and Rio de Janeiro Mayor Eduardo Paes prepare to host mayors from C40 Cities across the globe. The Rio + C40 event happening today will provide a platform for more groundbreaking announcements, in-depth discussions, and a global perspective from some of the world’s leading mayors and environmental actors.

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