C40 Cities
@c40cities
A global network of city mayors delivering urgent climate solutions. Protecting the people and places we love. 🌳🌍🌆💚
Behind every climate solution is a community and a city that dared to lead. Watch what happens when local action meets global ambition. #C40at20
Johannesburg is stepping up for clean air. 🥾 Residents, youth ambassadors and local leaders recently gathered to hike, learn and demand clean air for all as part of the It's in the Air campaign, powered by @BreatheCities. The work doesn't stop here, the @CityofJoburgZA is…
Climate goals won’t be met without cities. From Paris to Belém, we’re celebrating 10 years of local climate leadership – and the real impact cities, states and regions are delivering every day. c40.org/news/cities-ar… @Mayors4Climate @Cop30noBrasil
🏙️ The future of climate action is here, and Southeast Asian cities Jakarta, Quezon City and Kuala Lumpur are leading the change. With strategic backing from @FCDOGovUK's and C40 Cities' UCAP CAI programme, the city demonstrated at the 2025 UCAP CAI Regional Convening in Jakarta…



Pleased to join @DKIJakarta Governor @PramonoAnung and Southeast Asian city leaders at the @C40cities Urban Climate Action Programme regional convening today. Jakarta is setting a bold example by joining the Clean Investment Accelerator. With UK support, we’re unlocking green…
🌏Southeast Asian cities Jakarta, Quezon City and Kuala Lumpur are showing the world what bold climate leadership looks like at the 2025 UCAP CAI Regional Convening this week. 📽️ When financing meets local ambition, real impact follows. @DKIJakarta @QCGov @DBKL2u
Jakarta Proudly Present: Urban Climate Action Programme - Climate Action Implementation (UCAP CAI) Regional Convening 2025. Sebagai bagian dari C40 Cities yang berkontribusi mencari solusi krisis iklim global, Jakarta dipercaya menjadi tuan rumah pertemuan regional bertema…
In a powerful speech today, @UN Secretary-General @antonioguterres said: “This is our moment for opportunity”. Mayors are already leading the way, creating greener, more resilient cities and proving that renewables work for both people and the planet. The fossil fuel age is…

Together, city leaders are driving urgent climate action needed to build healthier, greener cities around the world. Great to see C40 Co-Chair & @MayorofLondon @SadiqKhan and the Mayor of Accra @MichaelKAllotey working collaboratively to address the climate crisis.
We also met to discuss how cities are leading the way in tackling the climate crisis, & I look forward to progressing the bold action our cities are taking towards becoming greener & healthier places to live and work. Thank you Mayor @MichaelKAllotey for the warm welcome. 🇬🇧🇬🇭
📌 At the Chefchaouen Local Climate Finance Forum 🇲🇦, co-organized with Mayor @SEFIANIMohamed1, GCoM Regional Ambassador, leaders demonstrated how local action + targeted finance = climate solutions that deliver for people. 👉tinyurl.com/24n8xxhe @c40cities @bloombergdotorg
Cities can better protect people from heat, floods & storms, but often lack the funding to do so, even in wealthy places. The JCCPE’s upcoming issue explores the risks. Read two early-release articles on EU climate funding and UK water security: c40.me/4ksVaaK

In a week that marked 10 years of the Paris Agreement, 20 years of C40 Cities, and over 45,000 people attending more than 700 events, we saw what determined, collective action looks like. Read our wrap-up of London Climate Action Week 2025. ➡️ c40.org/news/london-cl…
#InCaseYouMissedIt What a beautiful day spent in nature and in great company at Kloofendal Nature Reserve this weekend. Thank you to everyone who joined #PauseAndBreathe in person at Kloofendal Nature Reserve or at home - your posts have made it a truly memorable experience!…
📌10 years of local leadership delivering for people and the planet. Since the #ParisAgreement, cities have cut emissions, protected communities, and created green jobs. Now is the time to scale what works. 📖Dive into the #Paris2Belem report! 👉tinyurl.com/j34nph5e #COP30