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The following brief has been co-authored with the 2050 Pathways Platform to understand how cities can contribute to the deliverables mandated to national governments by the Paris Agreement. 

In the wake of the UN Secretary-General's Climate Action Summit, cities led by Mayor of Paris & Chair of C40 Cities, Anne Hidalgo and Lord Mayor of Copenhagen & Host of C40 World Mayors Summit, Frank Jensen, urge all national governments to join them and act on climate. 

Our shared planet is facing a climate emergency. The science is clear that, without urgent action, sea levels will rise further, extreme temperatures will become the norm and climate-related disasters will inflict even greater damage. We are making historic investments to prepare and adapt our cities to the inevitable consequences of emissions already released into the atmosphere.

By Lia Cairone, New York City Mayor’s Office of Sustainability & Patricia Himschoot, Buenos Aires Agencia de Protección Ambiental

In our cities, we know how crucial it is to limit global heating to 1.5°C. If we fail to adequately address the climate crisis, we will face rising sea levels, rising temperatures, and dangerous storms. We also know that the impacts of climate change will not be experienced equally. Around the world, the poorest and most vulnerable will bear the burden of the most severe impacts. 

At its first Leadership Board meeting in July 2019, the Mayors Migration Council discussed the need for cities to respond to the migration and refugee challenges in an inclusive way, promote peace and strengthen democracy.