Clean Air Zones – A Win for People and the Planet
What Mayor Hidalgo is achieving in Paris has been an inspiration for cities around the world, and today, C40 is…
Building a sustainable future for everyone, everywhere
The European Union should follow cities' lead to create a prosperous and safe future. Letter from C40 Europe mayors to…
The quiet future of construction
Alicia Hannah, from C40’s Global Communications team, writes about the unexpected joy of zero-emission construction.
Governing Mayor of Oslo elected to C40 Cities Steering Committee, renews grant in long-standing collaboration
Governing Mayor of Oslo Eirik Lae Solberg has been elected as Vice Chair of the C40 Cities Steering Committee.
Europe must urgently boost climate adaptation efforts
According to the European Environment Agency's first-ever European Climate Risk Assessment, Europe is getting hotter twice as fast as the…
Accelerating change: Cities addressing water and climate risks
As COP28 discussions focus on food, agriculture and water, we look at how cities are enhancing climate resilience by tackling…