NEW: a guide for national governments to increase finance for subnational climate action. Our report with Global Covenant and in support of the CHAMP coalition for climate action details 5 key actions governments can take to support cities & regions. c40.org/news/c40-and-g…

From City of Cincinnati to Municipio Cuenca, our Youth Climate Action Fund is mobilizing young residents to work alongside their mayors and municipalities in cities around the world. Bringing speed and savvy to the task, youth are tackling heat islands, building urban canopies,

On Bloomberg Philanthropies's Follow the Data podcast, I joined Vladimir Yavachev, Christo and Jeanne-Claude's Director of Projects, to share the incredible story of how "The Gates" transformed NYC and the power of public art: bit.ly/3CRssAR

Mark your calendars! Mayors from around the world will come together next month for the Partnership for Healthy Cities Summit to share best practices to create healthier cities. Watch LIVE on our YouTube channel on March 20th: bit.ly/41ltQUy #Cities4Health

The world is more fragmented and volatile, & Europe must be able to stand on its own two feet. But let’s not fall into the trap of thinking climate action is a nice to have. It's not a distraction from Europe’s priorities but a pillar of its security and economic resilience. 1/8

Protéger 30 % des mers et océans d’ici 2030 : tel est notre cap avec le traité international pour la protection de la haute mer et de la biodiversité marine. Notre objectif : que 60 pays aient ratifiés ce traité d’ici la Conférence des Nations unies sur l’océan à Nice en juin.

Methane pollution from landfills affects our air, water + the places we call home. 🏔️ Arapahoe Basin, an America Is All In member, is taking a stand for Colorado’s future. Mike Nathan’s message is clear: tackling methane now protects our landscapes and communities for generations.

The U.S. EPA has become a pillar for our public health, providing resources and on-the-ground support to protect Americans from everything from air pollution to natural disasters. Their work is essential and should continue to receive proper funding & support. #AmericaIsAllIn

ICYMI: Last month, C40 Cities & Global Covenant together launched new guidance for national members of #CHAMP to better facilitate financing for subnational #climate action, particularly in urban areas. Learn more & read the full report ⤵️ bit.ly/3F05yYp

We can make great use of otherwise inefficient and costly coal- and gas-fired power plants by leveraging surplus interconnection, which could nearly double the United States’ energy generation by 2030. #cleanenergy Beyond Coal Beyond Petrochemicals bit.ly/4hW46F8

Congrats to our very own Mike Bloomberg for making this year’s TIME 2025 Earth Awards list! Mike has been a visionary leader in the climate space, and I’m honored to call him my boss. He’s in great company – check out the full list of TIME’s honorees: bit.ly/43Xgr7P

From reducing temperatures to improving air quality, trees are critical to building healthy urban economies, walkable streets, and livable communities. 🌳 #ArborDay Learn more about how Bloomberg Associates supports cities across the country that use data to expand and maintain

Shade structures are starting to appear in Phoenix Parks as part of the ¡Sombra! project, a way to bring artful, innovative relief to areas that need shade most. Each installation is unique and offers a creative way to stay cool. Read more about it. ⤵️ kjzz.org/kjzz-news/2025…

.Bloomberg Philanthropies & #COP30's partnership will strengthen local leaders to expand clean energy, cut pollution, and strengthen economies. I look forward to working with Amb. André Corrêa do Lago to turbocharge a new era of climate resilience and economic growth.

📣Are you a GCoM signatory or alliance partner? Help shape the future of city-led #ClimateAction by taking the 2025 GCoM Needs Assessment. Tell us: ✅What works & what could improve ✅Your priorities for the next years ✅How we can better engage with you surveymonkey.com/r/3PZ3VHD

Green infrastructure projects are a game changer for #AmericaIsAllIn member The City Of New Orleans's flood response! Wetlands restoration, reforestation, & community involvement are key to building climate resilience and protecting people. Learn more via @NYTimes ⤵️nytimes.com/2025/04/21/cli…

🏆 Mike Bloomberg, the world's largest individual donor in 2024, knows cities are central to solving global issues. His data-driven philanthropy empowers local leaders to enact real change on the ground, for example through Global Covenant and C40 Cities 👏

Cities and their mayors are uniquely positioned to lead clean air action for all. Explore the practical ways Cindy McKinley Clean Air Accelerator cities are reducing #AirPollution while building more resilient and thriving cities with our interactive map 🗺️⬇️ bit.ly/4dF6Fdt

🪸Coral reefs. 🌱Mangroves. 🌊10,000 km of coastline. Brazil’s coastal ecosystems are essential, and our survival is tied to the ocean’s health. That’s why we’re supporting Brazil’s efforts to strengthen marine and coastal protections. Bloomberg Philanthropies’s new commitment builds

#WorldOceanDay is a call to action to protect the ocean from threats like pollution, climate change and overfishing. As global leaders at this week’s #UNOC3 debate ways to tackle these challenges, I wrote in La Tribune about two steps that could accelerate critical action.