New Commentary out in Nature Climate Action: we now live in a fundamentally different climate system due to the burning of fossil fuels. Because of this, any extreme weather event now occurs in a changed climate and is influenced by fossil fuel-driven climate change to some degree.

The next phase of climate attribution - npj Climate Action

Attribution science has transformed our understanding of how anthropogenic emissions shape extreme weather events, yet the field remains constrained by repeatedly demonstrating anthropogenic influence...

nature.com

NEW: Today, in a cruel disregard for people's health, the Trump administration rolled back critical power plant carbon standards. The EPA is prioritizing fossil fuel industry profits while saddling the public with the costly, harmful consequences of carbon pollution. 🧵⬇️

“Cruel Disregard for People’s Health”—EPA Repeals Power Plant Carbon Standards, Proposes Eliminating Its Authority to Regulate Heat-trapping Emissions from Coal and Gas Plants

“Cruel Disregard for People’s Health”—EPA Repeals Power Plant Carbon Standards, Proposes Eliminating Its Authority to Regulate Heat-trapping Emissions from Coal and Gas Plants

ucs.org

“Losing NCAR would set back scientific research, with real consequences for people’s lives and livelihoods. As a taxpayer-funded public good, NCAR belongs to all of us, and we deserve to know the rationale and deliberations behind any effort to dismantle or restructure it.”—Carlos Martinez, PhD.

National Science Foundation and White House Sued for Refusing to Release Government Records

UCS, represented by Earthjustice, and Environmental Defense Fund filed a lawsuit against the National Science Foundation and the White House for withholding information about plans to dismantle the National Center for Atmospheric Research.

ucs.org

Sigh. White House OSTP has announced a Public Comment Period that proposes amending the USGCRP 5th National Climate Assessment. Deadline is 9/9. www.federalregister.gov/documents/20...

United States Global Change Research Program; Availability for Public Comment on the Proposed Amendment to the Fifth National Climate Assessment (NCA5)

OSTP, on behalf of the U.S. Global Change Research Program (USGCRP), announces the availability of a proposed amendment and clarification to the Fifth National Climate Assessment (NCA5) for public com...

federalregister.gov

NEW: Our latest report shows the world’s largest climate polluters are responsible for nearly 50% of the climate change-driven impacts on the western United States water crisis due to their heat-trapping emissions since 1950. 🧵⬇️

Wringing the West Dry

Climate change is disrupting the already scarce water resources of the Western United States.

ucs.org

🚨New paper alert! We conducted an end-to-end (i.e. source-to-impact) attribution study, quantifying how much less water supply, more water demand, and resulting groundwater decline we have because of emissions traced to the Carbon Majors.

Communications Earth & Environment@commsearth.nature.com · 2mo ago

💧Human-caused climate change drove large decreases in snowpack and streamflow as well as increases in irrigation demand in the western US (2014-2024), with roughly half attributable to the Carbon Majors. @emilywilliams.bsky.social 👉Read more here: www.nature.com/articles/s43...

The headlines this summer make it easy to feel as if nothing can be done: record heat and wildfires continue, while fossil fuel companies rake in billions. But feeling powerless is exactly the trap, and this week there's new science on how to avoid it. Read on!

Polluters should pay, not taxpayers | Talking Climate with Katharine Hayhoe

Resisting climate doom, Big Oil’s $45 billion quarter, and how you can make polluters pay If you’re a regular Talking Climate reader, you kn

patreon.com

🧪 We want to hear from you! AGU is documenting the real-world impacts of recent U.S. Administration actions that have resulted in Impacts at NSF and other science agencies. Responses before 31 August are most helpful. Take the AGU Survey today! spklr.io/63329Eu0FS

AGU Survey: Impact of U.S. Federal Science Funding Actions

Take this survey powered by http://spklr.io/63327Eu0FU. Create your own surveys for free.

spklr.io

Another reason why we need to invest more in NOAA to keep people safe. Congress must stand up to the Trump administration's attacks on NOAA's budget and staffing www.cnn.com/2026/08/12/w...

A software glitch prevented weather warnings from going out as deadly storms struck Midwest | CNN

An unusually long and far-reaching communications outage hobbled the National Weather Service just as deadly severe thunderstorms were tearing across the Midwest and Ohio Valley on Tuesday evening.

cnn.com

The Trump administration is cancelling federal support for #NOAA’s Arctic Report Card, an essential scientific report that shows how fossil fueled climate change is having an alarming effect on the vital signs of this unique region of the world.

Government Pulls Funding for the Arctic Report Card - Eos

The Trump administration is pulling funding from NOAA’s Arctic Report Card, an annual, peer-reviewed report about the state of the region, which is warming more quickly than anywhere else on Earth.

eos.org

Last week, we launched the Attacks on Science Tracker, documenting incidents & how they connect across agencies, policies, and topics using interactive graphics. It acts as a public record of how the government has politicized science & undermined scientific integrity, now and well into the future:

Attacks on Science

A new approach to collecting, screening, and analyzing data to identify and categorize attacks on science

ucs.org

A US District Court ordered the Trump administration to stop censoring American history and science in national parks, thanks to our suit. Today is a win for science and for all national park visitors to learn the truth about our nation’s history and climate. democracyforward.org/news/press-r...

Court Blocks Censorship and Erasure of American History and Science at National Parks

Injunction Halts Effort to Unlawfully Remove History and Science from Park Displays

democracyforward.org

1/ We have entered an age of climate-driven ocean heat, where the fact that we’ve overheated our water planet (70% of it covered by ocean) will loom large for centuries to come. (🧵⬇️)

Overheating a Water Planet: Warmed Oceans Will Not Be Ignored

The Trump administration is canceling oceanic research, as our world's oceans overheat. What could go wrong?

blog.ucs.org

BIG SCIENCE 🧪 WIN: A judge has issued a preliminary injunction to NSF to stop the dismantling of NCAR: www.courtlistener.com/docket/72496... h/t @carlonimbus.bsky.social

Order on Motion for Preliminary Injunction – #47 in University Corporation for Atmospheric Research v. National Science Foundation (D. Colo., 1:26-cv-01061) – CourtListener.com

ORDER GRANTING PRELIMINARY INJUNCTION. Plaintiff's Motion for Preliminary Injunction, ECF No. 18, is hereby GRANTED. Defendants are hereby PRELIMINARY ENJOINED from divesting UCAR or NCAR of any right...

courtlistener.com

BREAKING: A federal court has blocked the National Science Foundation (NSF) from transferring a major supercomputer away from the National Center for Atmospheric Research (NCAR) in Wyoming. This is good news! (🧵👇)

Breaking: Judge Jackson blocks NSF from dismantling NCAR. www.courtlistener.com/docket/72496...

📣Scientists: sign up to speak in a 50‑hr livestream (June 1–3) on weather & climate science 🌦️🧪 Coinciding with scientists arriving in DC after a 12‑day NYC→DC walk to deliver letters to Congress 🚶 docs.google.com/forms/d/e/1F...

The Weather & Climate Livestream, 2026

If you're an earth system scientist working on weather, climate, oceans, or the environment who's work has been made possible by US federal funding at some point in your career (either now, or as a graduate student or postdoc) and you're available some time between Monday June 1st and Wednesday June 3rd, we want you to speak! Each speaker will be able to give a short talk (10 min) on your science and its societal value for the general public, and about 7 min Q&A with audience questions read by a moderator/host. Because the hosts will be emphasizing the event's message, talks can briefly discuss the impact of cuts on research but should remain otherwise apolitical/nonpartisan. Over the coming weeks we will be in contact with further information about how you can claim your time slot during the stream-a-thon. Note that if you'd like to share a slot with a colleague, you can. In addition to speakers, we especially need volunteers to help host the stream for a couple of hours. You can use this form to tell us whether you are able to volunteer as a host / keep the live-stream going by speaking late / help to organize the event. If you have any questions, you can contact the organizers at organizers@wclivestream.com Please note that the entirety of the livestream will be recorded and published publicly. By signing up, you consent to the recording, distribution, and potential clipping of your segment for promotional or educational purposes.

docs.google.com

In his new blog, @carlonimbus.bsky.social shows how this year #DangerSeason is amplified by a triple crisis: climate change, authoritarian recklessness, and economic insecurity — all colliding at once.

The Trump Administration Threatens NOAA—Again—as Extreme Weather Looms

See UCS's NOAA tracker for what's at stake and how the agency is affected by cuts.

blog.ucs.org

In his new blog, UCS's @carlonimbus.bsky.social analyzes recently released documents suggesting that the Trump Administration's decision to restructure and break apart NCAR—putting critical, life-saving science at risk—is merely political. Read the blog: act.ucsusa.org/4uwIrt2

UCS's Julian Reyes analyzes the impact of the Trump Administration’s plan to dismantle the world’s largest wildfire research agency at a time when wildfire risk, climate impacts, and economic losses are accelerating. Read his blog: act.ucsusa.org/4tW8cTz

CIRES scientists at NOAA’s Global Monitoring Lab (GML) in Boulder produce some of the most critical atmospheric data on Earth. Due to a federal funding pause at the agency, that work — and the positions of the people who do it — is now at risk. Learn what GML does and why it matters ⬇️

BIG, EXCITING NEWS! Dr. Kate Marvel @drkatemarvel.bsky.social -- world-leading climate scientist and author -- is coming to Project Drawdown after leaving NASA. She will be a Senior Scientist, leading an exciting new initiative on "Emergency Brake" climate solutions. drawdown.org/news/world-r...

World-renowned climate scientist and author Kate Marvel, Ph.D., returns to Project Drawdown

Marvel to lead new initiative focused on advancing critical climate solutions. “I’m unbelievably excited to return to Project Drawdown."

drawdown.org

My resignation letter

UCS' @carlonimbus.bsky.social provides the latest on the Trump Administration's dismantlement of NCAR, and how we can use our voices to save it, together. Learn more: act.ucsusa.org/3Pk1He5

I found this particularly striking: yesterday broke the *global* high temperature record count. So despite this event only occurring in the western US, it still was record-breaking global for total number of records. This database only goes back to 2010, though.

Daniel Swain@weatherwest.bsky.social · 7mo ago

Well, if yesterday's map was ridiculous, I'm running out of superlatives to characterize today's. Countless locations from Pacific Coast to Great Plains are currently experiencing all-time record March warmth, w/ some locations approaching/exceeding April (or even May) records.

March in Western North America is deadly hot, completely above temperatures that would have been possible without climate change from burning oil, coal and gas. New record shatteringly rapid @wwattribution.bsky.social study www.worldweatherattribution.org/record-shatt...

“If O’Neill is confirmed as NSF’s director, the Trump administration will further tighten its control over an agency created by Congress to be independent in its work to advance science.” UCS’s Julian Reyes explains why the Senate should work to block this nomination:

Trump’s Nominee to Run NSF is Unqualified, Conflicted, and a Threat to Science

If O’Neill is confirmed as NSF’s director, the Trump administration will further tighten its control over an agency created by Congress to be independent in its work to advance science.

blog.ucs.org

UCS filed Freedom of Information Act requests to the NSF to publicly release all of its communications about its plans to restructure the National Center for Atmospheric Research (NCAR). “NCAR represents one of the most successful models of federally supported scientific infrastructure in the US.”

UCS Files Requests to Make Proposals Public on How to Restructure National Center for Atmospheric Research

The Union of Concerned Scientists today filed Freedom of Information Act requests to the U.S. National Science Foundation to publicly release all of its communications about its plans to restructure t...

ucs.org

Breaking: UCAR filed a lawsuit today against several federal agencies and their directors, alleging that “The Agencies’ ultimate apparent goal is to destroy NCAR entirely.” eos.org/research-and...

UCAR Sues Federal Agencies - Eos

The lawsuit alleges that the federal agencies are “waging a campaign of retaliation” against Colorado and its institutions because the state has not bowed to federal authorities.

eos.org

Breaking: UCAR @ncar-ucar.bsky.social has filled a lawsuit against the US Federal Government regarding NCAR. news.ucar.edu/133061/ucar-...