
Inside the C40 World Mayors Summit: Cities throw down the gauntlet
In this first instalment of our two-part special from the C40 World Mayors Summit, Cities 1.5 takes you inside the flagship gathering of the world’s most ambitious urban climate leaders. We hear directly from mayors as they unveil this year’s Offer of Action – a unified commitment that raises the stakes for urban climate leadership and pointedly challenges national governments to match their ambition with action of their own, all on the eve of COP30. We also speak with leading climate experts and C40 partners to explore why cities remain the most effective engines for rapid, equitable decarbonization, and what they must do next to keep the goal of limiting global heating to 1.5°C alive. And crucially, funders share why they’ve chosen to invest in C40’s global network, highlighting the proven impact of coordinated city action and the urgency of scaling it. Photo credit: ©Bernardo Jardim Photography Featured: Sir Sadiq Khan, C40 Co-Chair and Mayor of London Nick Reece, Lord Mayor of Melbourne Giuseppe “Beppe” Sala, Mayor of Milan Yousef Al-Shawarbeh, Mayor of Amman Keith Wilson, Mayor of Portland Dr. Nkosindiphile Xhakaza, Executive Mayor of Ekurhuleni Eduardo Pimentel, Mayor of Curitiba Caterina Sarfatti, Managing Director of Inclusion and Global Leadership at C40 Haris Doukas, Mayor of Athens Eirik Lae Solberg, Governing Mayor of Oslo Søren Staugaard Nielsen, Managing Director of the Ramboll Foundation Jo Jewell, Director of Social Responsibility Partnerships at Novo Nordisk Hon. Catherine McKenna, Chair of the UN Secretary General’s High-Level Expert Group on Net-Zero Commitments of Non-State Entities Christiana Figueres, Founding Partner of Global Optimism and Co-presenter of Outrage + Optimism Links: C40 World Mayors Summit: Cities Delivering Global Leadership for Climate Action - Bloomberg Philanthropies, YouTube C40 World Mayors Summit From negotiation to delivery:The Yearly Offer of Action Ramboll Foundation Novo Nordisk Cities for Better Health Green and Thriving Neighbourhoods Programme Integrity Matters: Winning the Future report Outrage + Optimism - Inside COP podcast If you want to learn more about the Journal of City Climate Policy and Economy, please visit our website at https://jccpe.utpjournals.press/ Listen to the Cities 1.5 five-part miniseries “Going Steady with Herman Daly: How to Unbreak the Economy (and the Planet)" here: https://lnk.to/HDMiniSeries Cities 1.5 is produced by the University of Toronto Press and the C40 Centre, and is supported by C40 Cities. Sign up to the Centre newsletter: https://thecentre.substack.com/ Writing and executive production by Peggy Whitfield. Narrative and communications support by Chiara Morfeo. Produced by Jess Schmidt: https://jessdoespodcasting.com/ Edited by Morgane Chambrin: https://www.morganechambrin.com/ Music by Lorna Gilfedder: https://origamipodcastservices.com/
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