Philanthropy for the future of the planet and all people on it. Runner, baker, fiction fan & proud mother of daughters. @bloombergdotorg Tweets are my own.
New York, NY
Joined October 2008
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Antha N. Williams retweeted
Celebrating 10 years @BloombergDotOrg! 🌊 From reef protection to ocean agreements to fighting illegal fishing, I'm proud of this decade of impact for our ocean & the people who depend on it. Grateful for all those who made it possible! @MikeBloomberg @PattiHarris @anthawilliams
Diving and seeing the beauty of underwater life first-hand has been a driving force for my career in philanthropy and conservation. Our work at @bloombergdotorg will help protect our oceans & ensure divers can continue to explore them in all their vibrancy. #PADIWomensDiveDay
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Antha N. Williams retweeted
Top moments from #LCAW2026 🌍
From new investments in clean energy, clean air, and ocean conservation to expanded partnerships for methane and climate action, these are some of the moments shaping @BloombergDotOrg's work to accelerate climate progress around the world.
Antha N. Williams retweeted
🚨 JUST ANNOUNCED 🚨
@turkiyecop31 Presidency and @BloombergDotOrg announce a new partnership to help advance climate action ahead of #COP31 🌍
Antha N. Williams retweeted
NEW
@MikeBloomberg pledges $260m to conserve the ocean, as major funders inc. US & UK trim budgets.
The cash is designed to "help close the gap between ocean protection commitments and action", @BloombergDotOrg said as it disclosed details to Sky News
news.sky.com/story/billionai…
Antha N. Williams retweeted
Protecting the ocean is essential to protecting our future.
🌊 Today, we announced a new $260 million commitment to expand the Bloomberg Ocean Initiative.
This support will help create new marine protected areas, strengthen fisheries management, protect coral reefs, and support community-led conservation efforts around the world — advancing the global goal of protecting 30% of the ocean by 2030: bit.ly/4w5eNfl
Antha N. Williams retweeted
With air quality data from @breathecities, mayors around the world have reduced pollution near schools, expanded clean transit, cut building emissions, and taken other steps that are improving the health of millions of people.
Today at #LCAW2026, @bloombergdotorg announced a new $45 million investment in Breathe Cities to build on that progress and welcomed Addis Ababa, Ethiopia, and Madrid, Spain to the network.
Antha N. Williams retweeted
#LCAW2026 is off to a great start 🇬🇧
One of the highlights of my first day in London was meeting with remarkable women leaders from the @UN Women Rise for All Network, including @annemarie_hou, @anthawilliams, Mary Schapiro, @citylordmayor, @LaurenceTubiana and more. The solutions they’re advancing to create a more sustainable future are making a real difference in communities around the world.
Antha N. Williams retweeted
Clean energy can deliver reliable, affordable, secure power worldwide. To help it reach communities where it can have the most meaningful impact, @BloombergDotOrg announced a new commitment at #LCAW2026 to support clean energy industries in developing economies. Read more in the @FT: bit.ly/4aJYNqI
"People want to live in cities with clean air and, where people want to live, businesses want to invest."
@MikeBloomberg has exciting plans for what's set to be the biggest London Climate Action Week yet. Stay tuned for more this week!
bit.ly/4aGy3aE @thetimes
Antha N. Williams retweeted
Cleaner air. Lower emissions. More jobs.
Climate action and economic growth go hand in hand.
As @TheTimes reports, I'm in London for #LCAW2026. bloombg.org/4gvFmFN
This week at the #OurOcean Conference, 16 countries committed to combat IUU fishing through the Mombasa Declaration.
I teamed up with Emelia Arthur, Ghana's Minister for Fisheries & Aquaculture, to write about what this call-to-action means in practice. bit.ly/4egha93
Antha N. Williams retweeted
🪸Coral reefs are not doomed.
For years, the story has been inevitable loss. New science says some reefs have a chance to survive, with policy and investment, write WCS's Stacy Jupiter and @MelissaW_Enviro of @BloombergDotOrg.
climatechangenews.com/2026/0…
Antha N. Williams retweeted
What does ocean protection look like up close? 🌊
Follow along as @anthawilliams explores the Marshall Islands with @NG_PristineSeas aboard the Argo to witness one of the Pacific’s most remote and vibrant marine ecosystems.
Take a deep dive and get a first-hand look at the area's thriving coral reefs and marine life.
Antha N. Williams retweeted
Progress is happening - and it’s being led by cities and communities around the world.
This #EarthDay, we’re spotlighting how @BloombergDotOrg and our partners are protecting the environment.
Antha N. Williams retweeted
🌎 Earth Day reminder: Climate leadership is built from the ground up.
From city halls to neighborhood blocks, climate action is delivering immediate benefits: cleaner air, healthier communities, and stronger economies.
Over the last year, I've had the privilege of exploring some of Earth's most magnificent oceans, forests, & mountains with family & friends.
For #EarthDay, I'm sharing some of my favorite photos – a small reminder of what we're fighting for & what makes this work so meaningful.
Antha N. Williams retweeted
Urgency. Optimism. Innovation. 🌎
That’s what it takes to protect our planet — and it’s exactly what this year’s @EarthshotPrize winners bring. Congratulations to these inspiring changemakers — we can’t wait to work with them to grow their bold ideas and drive lasting impact. 💚
Congratulations to this year’s @EarthshotPrize winners - changemakers working to build a better, more sustainable future for our planet 👏🌎
These innovators are meeting the challenge of climate change with transformative solutions that could improve life for us all. We look forward to helping them grow their ideas and amplify their impact around the world.
Antha N. Williams retweeted
📍This week in Rio de Janeiro, local climate leaders are showing what’s possible when collaboration meets commitment.
At the @BloombergDotOrg Local Climate Action Summit, mayors, governors and regional leaders are collaborating across levels of government, sharing solutions, and building momentum ahead of #COP30 in Belém. 💪
Antha N. Williams retweeted
Cutting methane is one of the fastest ways to slow climate change. Together with @CarbonMapper, @GMethaneHub, & other partners, @BloombergDotOrg is investing $100M to transform how methane super-emitters are found, fixed, & repaired.