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Press Releases

Press Release

March 29, 2017

Press Release: Mayors of Paris and London Announce Car Scoring System to Slash Air Pollution on City Streets

Mayor of Paris and Chair of C40 Cities, Anne Hidalgo and Mayor of London, Sadiq Khan, today announced they’re working…
Press Release

March 15, 2017

Women4Climate: Sauvegarde De Notre Planète, Le Rôle Essentiel Des Femmes

De nombreuses femmes maires des plus grandes villes du monde et des femmes chefs d’entreprise se sont engagées aujourd’hui à…
Press Release

March 15, 2017

Women4Climate: El Papel Fundamental De Las Mujeres En Los Esfuerzos Para Salvar El Planeta

Hoy, alcaldesas de las ciudades más grandes del mundo y mujeres destacadas del mundo empresarial se han comprometido a usar…
Press Release

March 15, 2017

Press Release: Women4Climate: Why Women Are Critical In Efforts To Save Our Planet

Today, women mayors from many the world’s greatest cities and women business leaders committed to use their growing global power…
Press Release

March 9, 2017

Déclaration de Michael R. Bloomberg, Président du Conseil d’Administration du C40, et d’Anne Hidalgo, Présidente du C40

Déclaration de Michael R. Bloomberg, Président du Conseil d'Administration du C40, co-Président de la Convention Mondiale des Maires pour l'Energie...
Press Release

March 9, 2017

Mike Bloomberg and Paris Mayor Anne Hidalgo Call on Mayors to Deliver on the Paris Agreement

Statements by Michael R. Bloomberg, C40 President of the Board, Co-Chair of the Global Covenant of Mayors, and U.N. Secretary...

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testing

November 25, 2025
COP30 fell short
Find out more
A collage of five photos from the COP30 Belém Climate Summit, featuring various events and participants. The images show a panel discussion, a formal signing or presentation involving several people including President Lula, a group of young people standing on stage, Colombian President Gustavo Petro giving a speech, and an aerial view of the Amazon rainforest.
November 23, 2025
COP30 needed to innovate for implementation – it fell short
Find out more
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