Brian Kahn
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blkahn.bsky.social
Brian Kahn
@blkahn.bsky.social
Your friendly local Bloomberg climate tech editor
Reposted by Brian Kahn
This is quite a story: the US employed every strongarm tactic available, including personal threats against delegates and their families, to derail an agreement on reducing shipping emissions that was almost finalized. on.ft.com/47lq3dZ
November 3, 2025 at 2:11 PM
Reposted by Brian Kahn
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...
The Biggest Arctic Carbon Sink Is Increasingly Unstable
Scientists at the top of the world are racing to uncover how rapidly the Arctic’s permafrost is thawing.
www.bloomberg.com
November 3, 2025 at 3:16 PM
RFK Jr. has directed the CDC to study if offshore wind farms can harm health, including the electric magnetic frequency generated from undersea cables
RFK Jr. Orders CDC to Study Alleged Harms of Offshore Wind Farms
Health and Human Services Secretary Robert F. Kennedy Jr. directed Centers for Disease Control and Prevention staff to probe the potential harms of offshore wind farms, according to people familiar wi...
www.bloomberg.com
October 28, 2025 at 7:39 PM
FEMA is hunting for signatories of a letter criticizing Trump's cuts to disaster funding. Employees have been interrogated, threatened with being fired, told to not bring counsel, and had to sign an nondisclosure memo forbidding them to disclose the investigation's existence
FEMA Tells Staff to Name Whistleblowers or Risk Losing Jobs
Investigators are looking for staffers who anonymously endorsed an open letter criticizing the Trump administration’s cuts to disaster funding.
www.bloomberg.com
October 9, 2025 at 5:32 PM
going back to school to get my BA in Posting
October 4, 2025 at 4:25 PM
Trump is planning to cancel billions in funding for clean hydrogen hub projects — but mostly in blue states
Trump Set to Cancel West Coast Hydrogen Hubs Amid Shutdown Fight
The Trump administration is planning to cancel billions of dollars earmarked for hydrogen projects in California and the Pacific Northwest as part of its first tranche of funding cuts following the go...
www.bloomberg.com
October 1, 2025 at 9:59 PM
Fun fact: "carbon footprint" is a term coined by the oil industry
Trump to the UN: "The 'carbon footprint' is a hoax made up by people with evil intentions, and they're heading down a path of total destruction."
September 23, 2025 at 3:42 PM
Climate science denial talking points bingo:
🔴 "Al Gore"
🔴 "Arctic was gonna have no ice anymore 10 years ago"
🔴 Highlighting a single year as irrefutable evidence
Energy Secretary Chris Wright: "Al Gore's nonsense is exactly what got us in this position. He started peddled climate nonsense 20 years ago -- the arctic was gonna have no ice anymore 10 years ago! Well, this year we had well more ice than we had 10 years ago in the arctic."
September 19, 2025 at 4:40 PM
Reposted by Brian Kahn
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...
Chaos Inside FEMA as Death Threats Distract From Hurricane Response
Internal documents show how online conspiracies and personal attacks disrupted FEMA during back-to-back hurricanes last year.
www.bloomberg.com
September 18, 2025 at 1:56 PM
Can't set limits on emissions if you don't know how much polluters are emitting... www.nytimes.com/2025/09/12/c...
E.P.A. To Stop Collecting Emissions Data From Polluters
www.nytimes.com
September 12, 2025 at 9:29 PM
Big scoop from @eroston.bsky.social and @lorengrush.bsky.social : NASA has barred Chinese citizens with US visas from working on agency programs. That includes university scientists, grad students and contractors
NASA Blocks Chinese Citizens With US Visas From Working on Space Programs
NASA has blocked Chinese citizens with US visas from working on agency programs, people familiar with the matter said, as Washington escalates anti-Beijing rhetoric with both nations racing to the moo...
www.bloomberg.com
September 10, 2025 at 3:59 PM
Big scoop from @eroston.bsky.social and @lorengrush.bsky.social : NASA has barred Chinese citizens with US visas from working on agency programs. That includes university scientists, grad students and contractors
NASA Blocks Chinese Citizens With US Visas From Working on Space Programs
NASA has blocked Chinese citizens with US visas from working on agency programs, people familiar with the matter said, as Washington escalates anti-Beijing rhetoric with both nations racing to the moo...
www.bloomberg.com
September 10, 2025 at 3:41 PM
Reposted by Brian Kahn
"The Trump administration aims to increase..oil and gas production, a major source of..emissions contributing to more intense disasters.. Meanwhile, the impacts of #ClimateChange are piling up, from intense #heatwaves to massive #wildfires to deadly #floods. Last year was the hottest ever recorded."
The Trump administration is taking a "cluster bomb approach" to rolling back climate science and environmental policy and undertaken rouhgly 400 anti-science actions since January. It could take the US decades to recover what is being lost, and some things may be be permanently gone
Trump Is Dismantling Climate Science at a Dangerous Pace
The White House has blocked efforts to measure, respond to and fight global warming. That puts all Americans at risk.
www.bloomberg.com
September 9, 2025 at 7:20 PM
The Trump administration is taking a "cluster bomb approach" to rolling back climate science and environmental policy and undertaken rouhgly 400 anti-science actions since January. It could take the US decades to recover what is being lost, and some things may be be permanently gone
Trump Is Dismantling Climate Science at a Dangerous Pace
The White House has blocked efforts to measure, respond to and fight global warming. That puts all Americans at risk.
www.bloomberg.com
September 9, 2025 at 7:14 PM
Reposted by Brian Kahn
"At this time last year, the US was issuing gold-standard climate science and enacting a fitful policy to speed the energy transition. Now, the government is memory-holing some of that science and outright blocking wind and solar power." www.bloomberg.com/news/newslet... by @blkahn.bsky.social 🔌💡
September 9, 2025 at 5:40 PM
Reposted by Brian Kahn
NEW: i took a look at new research from @oilchange.bsky.social which finds that taxpayers are on the hook for an additional $4 billion per year in fossil fuel subsidies thanks to the one big beautiful bill:
US Taxpayers Will Pay Billions in New Fossil Fuel Subsidies Thanks to the Big Beautiful Bill
A report finds that President Trump’s flagship legislation will grant $40 billion in new subsidies to the oil and gas industry over the next decade.
www.wired.com
September 9, 2025 at 4:07 PM
Reposted by Brian Kahn
“They’re doing away with science. That, to me, is enormously troubling,” said Bush's EPA head Christine Todd Whitman.

“We have basically an EPA that’s totally been defanged of its mission,” said Obama's EPA chief Gina McCarthy.
www.bloomberg.com/features/202...
Trump Is Dismantling Climate Science at a Dangerous Pace
The White House has blocked efforts to measure, respond to and fight global warming. That puts all Americans at risk.
www.bloomberg.com
September 9, 2025 at 12:50 AM
Reposted by Brian Kahn
At an alarming pace, the Trump administration has fired climate scientists, rolled back regulations, interfered in data collection, and cut planning and emergency response funds. That puts all Americans at risk.

Read The Big Take ⬇️
Trump Is Dismantling Climate Science at a Dangerous Pace
The White House has blocked efforts to measure, respond to and fight global warming. That puts all Americans at risk.
bloom.bg
September 8, 2025 at 9:30 PM
Reposted by Brian Kahn
🚨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...
Trump Is Dismantling Climate Science at a Dangerous Pace
The White House has blocked efforts to measure, respond to and fight global warming. That puts all Americans at risk.
www.bloomberg.com
September 8, 2025 at 9:06 PM
I know there's a lot of news rn but @eroston.bsky.social, @zhirji.bsky.social and I wrote a full accounting of the Trump administration's war on climate science and clean energy. Putting it all in one place was a lot!
Trump Is Dismantling Climate Science at a Dangerous Pace
The White House has blocked efforts to measure, respond to and fight global warming. That puts all Americans at risk.
www.bloomberg.com
September 8, 2025 at 9:19 PM
“The projects Trump points to as proof of his reshoring success now risk being paralyzed by US enforcement actions that target the very workforce building them”
Trump’s Made-in-USA Push Undermined by Hyundai Raid, Visa Flaws
President Donald Trump has built his economic pitch on forcing foreign companies to bring jobs and production to the US. Last week’s shock immigration raid at a Hyundai Motor Co.-LG Energy Solution Lt...
www.bloomberg.com
September 8, 2025 at 3:20 PM
ICE raided a $7.6 billion EV plant and under-construction battery facility in Georgia that the state's Republican governor has touted as the largest economic development project in Georgia history apnews.com/article/immi...
US immigration officers raid Georgia site where Hyundai makes electric vehicles
Immigration agents are conducting a raid at the sprawling industrial site where Hyundai makes electric vehicles in southeast Georgia. U.S.
apnews.com
September 5, 2025 at 3:58 PM
Reposted by Brian Kahn
🔥 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...
Climate Change: Wildfires in Europe Hit Area the Size of Cyprus This Year
A record summer of blazes on the continent shows how governments and local communities can’t keep up with brutal fire conditions exacerbated by climate change.
www.bloomberg.com
September 5, 2025 at 12:34 PM
Reposted by Brian Kahn
Holy shit:

Stateline spoke to nearly a dozen firefighters, agency staffers and contractors, who said that top officials assigned to the fire deployed the crews to a remote location under false pretenses so federal agents could check their immigration status.

www.hcn.org/articles/fir...
Firefighters question leaders’ role in ICE raid near Bear Gulch Fire - High Country News
Firefighting veterans believe the management team overseeing fire crews played a key role in handing team members over to immigration authorities.
www.hcn.org
September 3, 2025 at 4:30 PM
Reposted by Brian Kahn
Glaciers in Central Asia have long managed to withstand rising temperatures and changing weather patterns. But now, the outlook is worsening. My latest for @bloomberg.com

www.bloomberg.com/news/article...
Even the Most-Resilient Glaciers Are Falling Victim to Climate Change
Researchers studying the health of glaciers say that one in Tajikistan likely reached its tipping point in 2018.
www.bloomberg.com
September 2, 2025 at 2:01 PM