Cities get the job done

Deadline 2020

Deadline 2020 is a commitment from the worldโ€™s leading cities to urgently pursue high ambition climate action, demonstrating how we can deliver on the Paris Agreement. Now is the time to act!

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Tech Challenge

Are you a woman working on an innovative tech solution for the climate? Apply now for this exciting international contest and see your idea come to life in one of C40's cities!

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Cities around the world are building a brighter future

Cities are leading the world by making ambitious commitments to deliver climate action in line with Paris Agreement targets. In the run-up to the Global Climate Action Summit, C40 is announcing bold commitments on Net Zero Carbon Buildings, Advancing Towards Zero Waste, and new signatories to the Green & Healthy Streets Declaration.

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NEW REPORT: Consumption based GHG emissions of C40 cities

New research by C40 Cities, the University of Leeds, University of New South Wales, and Arup examines the greenhouse gas (GHG) emissions associated with goods and services consumed by residents of cities such as food, clothing, electronic equipment, airplane travel, delivery trucks and construction industries. The findings reveal a detailed picture of the supply chains and sphere of impact that mayors, businesses and citizens can potentially influence with their climate action.

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Cities4Climate: The Future is Us | Livestream

Across the world, from Paris to Durban and Hong Kong to Los Angeles, city leaders are taking bold and ambitious climate action to shape the cities of the future. Hear from global mayors, business leaders, and other changemakers leading the way toward healthier and more sustainable cities.

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NEW REPORT: Cities Leading the Way

The report, Cities leading the way: Seven climate action plans to deliver on the Paris Agreement, showcases seven cities with climate action plans that put the city on a path to become emissions neutral by 2050 and more resilient to the impacts of climate change.

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