New: As the Trump administration eliminates incentives for energy-efficient appliances, California is joining New York and Boston to spur a market for affordable electric window heat pumps and battery-equipped induction stoves to decarbonize housing. Free link. www.bloomberg.com/news/article...

COPs are all about super-technical diplomatic talk, but also about people. Those who go there harbor memories of all sorts and this year we dug out a few. We asked climate celebs like @laurencetubiana.bsky.social what their best COP memories are. Read them for FREE www.bloomberg.com/news/article...

LA County Fire Dept is now telling residents in Topanga that if evacuation is not possible, they need to shelter in their homes. It’s a policy that, historically, has proven incredibly dangerous, but the department says it has no better options. My latest: www.latimes.com/environment/...

New: California Governor Gavin Newsom seized the mantle of US climate leadership at COP30 in Brazil in the face of Trump hostility to climate action. Here's the data on how the world's fourth-largest economy is decarbonizing and slashing emissions. Free link. www.bloomberg.com/news/article...

Trump's EPA is proposing rule changes that if approved would result in fewer ponds, streams and wetlands being protected from development and pollution under clean water rules. Read all about this proposal and what it means @bloomberg.com (w/a gift link): www.bloomberg.com/news/article...

Another Trump FEMA head is out: www.bloomberg.com/news/article...

New from me: London is struggling to adapt to the climate-changed reality of more flash-flooding, and insurers are spooked. That's made it harder to get cover for high-end properties with basements, creating an insurance time-bomb and increasing demand for property-level protections. Gift link.

New from me: I spoke to two scientists who originally helped spread the use of carbon capture. They now say it's being misused. Here's why (gift link):

New: Hurricane Melissa has underscored the financial and practical challenges of adapting to more frequent and destructive climate-driven Caribbean storms that strike randomly and increasingly flood islands’ mountainous interiors as they stall over land. Free link. www.bloomberg.com/news/article...

Breaking: As the US moves to license deep sea mining, new research finds that extracting critical metals from the seabed generates waste that endangers tiny marine organisms that form the basis of a vast food web, threatening fisheries people depend on. Free link. www.bloomberg.com/news/article...

What will the impact of the US's green retreat under President Donald Trump be — for the economy and for the world? A fascinating new Bloomberg Economics analysis gives us some hints. Read more @bloomberg.com (gift link!).

What's all the COP fuss about? Two months ago I set out to find what COPs achieved. The answer was in the data: a $10 trillion wave of green investment that's starting to change things. As Laurence Tubiana told me: "The train has left the station" FREE read: www.bloomberg.com/graphics/202...

Why have green stocks become one of this year’s most lucrative bets despite political headwinds? And is this rally a real comeback or a flash in the pan? Natasha White, Alastair Marsh, and I spoke with experts to find out www.bloomberg.com/news/article... For @bloomberg.com #greenstocks

I recently went to Prudhoe Bay, Alaska w/US scientists to study the effect of saltwater on fast-thawing permafrost. 1st in a series by @bloomberg.com on the world's natural carbon sinks with @hayleywarren.bsky.social and @eroston.bsky.social A thread follows: www.bloomberg.com/graphics/202...

After Hurricane Beryl devastated Jamaica’s grid last year, officials at the island’s sole utility vowed to fortify it. But the company’s initiatives were only in the planning + early implementation stages when Hurricane Melissa hit. Story @bloomberg.com, gift link: www.bloomberg.com/news/article...

Extreme heat now kills roughly one person every minute, and about 550,000 a year, finds @lancetcountdown.bsky.social's new report. And scientists warn parts of the world may soon hit limits where it’s too hot and humid for people to survive. My latest for @bloomberg.com (free 🎁 link):

New: China is emerging as a fierce competitor to the US in the race to build small modular nuclear reactors and nuclear fusion that can help power data centers, according to Microsoft cofounder Bill Gates. Via @bloomberg.com www.bloomberg.com/news/article... #nuclearfusion #datacenter

I finally watched the Danish series Families Like Ours on Netflix. It’s incredible. Beautiful and tragic. And a reminder that as violently destructive as the climate crisis is and will increasingly become, ultimately it will be a refugee crisis of unimaginable scale and suffering.

Yesterday, Trump was sending federal forces to San Francisco. Today, he's not. The reason? Some rich tech bros talked him down. As I write for @opinion.bloomberg.com, back-channel begging shouldn't be required for cities to avoid an unwanted federal intervention. www.bloomberg.com/opinion/arti...

SCOOP from me: I uncovered that the Interior Department just quietly defunded *two* multimillion dollar research programs studying how whales move and behave near U.S. wind farms actively being built. Trump blames wind turbines for whale deaths, then cuts vital research on the topic. 🧵

Breaking: Extreme ocean heat has eradicated key coral species in Florida from a 350-mile-long reef that protects coastal cities from storms, provides fisheries habitat. Scientists say reef-building elkhorn & staghorn corals are now "functionally extinct." Free link www.bloomberg.com/news/article...

Trump's EPA says its proposal to stop greenhouse gas reporting for big polluters could save oil and gas companies up to $256 million a year. Some of them are countering that it could hurt their business instead. Tagteam w/Ruth Liao @bloomberg.com, gift link: www.bloomberg.com/news/article...

Beef is notoriously bad for the environment. Just how bad depends a lot on where in the US you eat it. See how your city stacks up in my latest for @bloomberg.com:

Wow! California condors, which were nearly extinct by the 1980s, are now expanding their range into Alameda and Contra Costa counties, one even flying to Mount Diablo. www.mercurynews.com/2025/10/20/f...

OK, here we go... I'm excited to launch Climate-Colored Goggles, a newsletter about climate and culture. I'll be writing about climate solutions in pop culture, media & sports. America's most influential storytellers need to get in the game. Sign up here: www.climatecoloredgoggles.com

New: San Franciscans were aghast by Marc Benioff’s hard tight turn. His company, Salesforce, is seeking new contracts with ICE to help it triple its ranks under the Trump administration. www.nytimes.com/2025/10/16/u...

New: Last year when I wrote about a startup, Atoco, with a game-changing technology to extract water from air, founder and UC Berkeley professor Omar Yaghi was mentioned as a future Nobel winner. Now he's a 2025 laureate in chemistry, a boon for Atoco. Free link. www.bloomberg.com/news/article...

How Trump’s green hydrogen cuts are opening the door for China? Here's the latest analysis by @lilipike.bsky.social and me for @bloomberg.com (read on for free until Oct. 15) www.bloomberg.com/news/article... #greenhydrogen

Exclusive: FEMA Tells Staff to Name Whistleblowers or Risk Losing Jobs Gift link: www.bloomberg.com/news/article...

New: A heat pump that can be installed in minutes is allowing Boston to quickly decarbonize a public housing complex for the elderly and provide air conditioning as climate change-driven heat waves intensify. The window heat pump is made by SF startup Gradient. www.bloomberg.com/news/article...

One of today's winners of the Nobel Prize in Chemistry is UC Berkeley professor Omar Yaghi. Last year I wrote about Yaghi and Atoco, the startup he founded to commercialize his scientific breakthrough with a device that extracts water from air using just sunlight. www.bloomberg.com/news/article...

Why did a space startup's plan to accelerate the energy transition get astronomers worked up? My latest for @bloomberg.com www.bloomberg.com/news/article... #solarenergy #spacetech #climatetech

Dr. Jane Goodall came to California in April to help launch the Sea Otter Fund, a campaign to restore the furry climate warriors to their West Coast range. My story on that was published today. In today's newsletter I wrote about Goodall's support of sea otters. www.bloomberg.com/news/newslet...

New: An ambitious plan aims to restore imperiled sea otters to their historic range on the US West Coast. The playful predators are climate warriors, reviving coastal ecosystems and keeping healthy carbon-sequestering kelp forests that nurture fisheries. Free link. www.bloomberg.com/news/feature...

A double news update after a summer respite from social media: 1) I’ve joined @bloomberg.com to report on China & climate! 2) Just in time for China’s new climate targets, announced by Xi today. I’m thrilled to cover this special beat—and to be diving right in: www.bloomberg.com/news/article...

Given ~~gestures at everything~~ now is a great time to support your local (or not local) worker owned journalism outlet. Throw the money you just pulled from WaPo et al at a media coop! If you're in the Bay Area (or care about it) COYOTE Media just launched:

Breaking: As climate impacts multiply, a landmark UN treaty to protect ocean life will go into effect in January. The high seas biodiversity treaty ratified Friday allows for marine protected areas in international waters, among other things. Free link. www.bloomberg.com/news/article...

New docs obtained via FOIA reveal how the personal attacks to FEMA staff last hurricane season were much worse than previously known, including swatting & doxxing of officials. Story @bloomberg.com, w/ @davey.bsky.social @jasonleopold.bsky.social (gift link): www.bloomberg.com/news/article...

"We need a transition between an area that is going to burn, and that we can let burn, but not in a way that is catastrophic." @jeva.bsky.social speaks to Dan Efseaff, the restoration ecologist building a wildfire buffer in Paradise, CA:

What does “safe” really mean after a wildfire? You might first think of the homes that have been destroyed, but there’s another category of victims that doesn’t often get much attention. Months after the LA fires, they're still trying to get answers. For @bloomberg.com (+ my first Bluesky post!):

NEW: We got access to Jeffrey Epstein’s personal Yahoo inbox — more than 18,000 emails. It shows Epstein’s world in his own words: an unfiltered look at how his operation worked, who enabled it, and how Ghislaine Maxwell stayed at the center of it all.

“For us, it was quite clear that climate change does impact our basic human rights." For the NYT Magazine's climate issue, I wrote about a group of law students from the South Pacific whose clarity and tenacity helped reshape international law gift link: www.nytimes.com/2025/09/10/m...

Just dropped: ABC News' "Race to the Bottom" - a #DeepDive into #DeepSeaMining that’s anything but soothing. The new pirates are going for the #DeepSea.🌊🤿 #DeepSeaMining #DefendTheDeep #KeepItInTheSeabed

🚨Exclusive🚨 NASA has revoked facilities-and-systems access for Chinese citizens with US visas who work on its space programs www.bloomberg.com/news/article...

Published a story with @rjnskl.bsky.social last week on the future of the ocean under growing human pressures -- and the future of cultures and economies built on the ocean and coastlines. www.nytimes.com/interactive/...

The Trump administration, from the CDC to EPA to NOAA, is going to war with established climate science. I, along w/@blkahn.bsky.social @eroston.bsky.social, try to capture the big picture of what's already happened & what's at stake. Gift link @bloomberg.com: www.bloomberg.com/features/202...

🚨Hot off the press🔥 LIGHTS OUT How Trump's war on climate science is weakening the US A feature about the White House's "cluster-bomb approach" to dismantling the world's most sophisticated scientific apparatus. By @zhirji.bsky.social @blkahn.bsky.social and me 🎁🔗 www.bloomberg.com/features/202...

New: In California, sellers of older homes in high-risk wildfire areas must now discuss to buyers their dwellings' susceptibility to fire and what they've done to fix those vulnerabilities. Will it encourage homeowners to harden houses against wildfire? Free link. www.bloomberg.com/news/article...

Trump's ex-FEMA chief Cameron Hamilton speaks out against push to abolish the agency. “I cannot get behind this position that abolishing FEMA is the answer,” Hamilton said on Disaster Tough podcast, calling such a move "an extreme risk" to the American people. www.bloomberg.com/news/article...

🔥 A record summer of blazes in Europe shows how governments and local communities can’t keep up with brutal fire conditions exacerbated by climate change story via @bloomberg.com www.bloomberg.com/news/feature...