100 Reasons Cities are Winning the Climate Fight
As we approach the UN climate Change Conference, COP21, in Paris this December, the focus will be on national governments…
Polisdigitocracy: Digital Technology, Citizen Engagement and Climate Action – A New C40-Arup Report
In 2013, widespread protests brought Rio de Janeiro to a halt. People took the streets calling for better health and…
Aujourd’hui, nous sommes tous Parisiens
Today, on behalf of C40’s 82 member cities and all our staff, I offer our solidarity, unshakeable friendship and condolences to…
Kolkata joins C40, becomes fifth member city from India
C40 extends a warm welcome to Kolkata, our newest member city. The capital of India’s West Bengal state, Kolkata’s metropolitan…
Vice President Biden calls on more U.S. cities to commit to the Compact of Mayors
Today, while speaking at the National League of Cities Congress, Vice President Biden announced that 83 U.S. cities have committed to the…
C40 kicks off global pro bono ad campaign in London’s iconic Piccadilly Circus
Today, the C40 Cities Climate Leadership Group (C40) debuted its first ad for #CitiesAreKey, a global pro bono advertising campaign designed…