Home > A Greener World



Europe | A Greener World

What does the market says?

Four questions to David Albertini, Program Manager of the R20 Regions of Climate Action.   ...

America | A Greener World

An environmental activist in Mexico speaks out to protect the planet

Our Game Changer is Pati Ruiz Corzo, an environmental activist from Mexico who has dedicated ...


A Greener World

Cutting carbon emissions sooner could save 153 million lives

As many as 153 million premature deaths linked to air pollution could be avoided worldwide this ...

Europe | A Greener World

Anne Hidalgo: “my first priority is to protect the health of Parisians”

New research by C40 Cities revealed today the scale of the potential health benefits that could ...


Asia | A Greener World

PAX ARCTICA–RUSSIAN ARCTIC Expedition 2017 launched today!

A one-month expedition will launch Sept. 11 to explore a virtually unknown region of the ...

America | A Greener World

The message from Arnold Schwarzenegger to President Trump

In a plea via video message from the Founding Chair of R20 Regions for Climate Action, Arnold ...


Africa | A Greener World

Are G20 leaders ready to save the planet?

Mayors from around the world say it’s time to step up and act now to curb climate change. ...

Europe | A Greener World

Arnold Schwarzenegger received the Legion of Honour in Paris

Former California Governor, and R20 Founding Chair, Mr. Arnold Schwarzenegger, attended ...


America | A Greener World

City of Sao Paulo now a member of R20

During a visit to attend the 5th Arnold Classic Bodybuilding competition in the city of Sao ...

Africa | A Greener World

C40 Cities and R20 agree to work together to ensure implementation of the Paris Agreement

The most powerful cities, states and regions of the world including Paris, London, Beijing, ...