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Benjamin DeAngelo @bendeangelo.bsky.social · 01/10/2026

Surreal experience as someone who worked on EPA's original GHG endangerment finding. My main message today: EPA is taking the extreme position that the only way it can be consistent with congressional intent and Supreme Court decisions is to do *nothing* to curtail emissions of GHGs

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Benjamin DeAngelo @bendeangelo.bsky.social · 01/10/2026

This morning I'll be giving a short statement as a private citizen during EPA's virtual public hearing for the proposed Rescission of the Greenhouse Gas Findings for Power Plants under the Clean Air Act. The livestream link is here. lnkd.in/gJymCF-z

lnkd.in

This link will take you to a page that’s not on LinkedIn

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Reposted by Benjamin DeAngelo

Zeke Hausfather @zekehausfather.com · 22/09/2026

I have a new piece out in Nature today on the record-breaking 2026/2027 El Niño, what impacts we should expect, and how governments can prepare. The Niño3.4 region is currently running more than 1C hotter than any prior event on record, and we remain months away from the peak www.nature.com/artic...

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Benjamin DeAngelo @bendeangelo.bsky.social · 18/09/2026

I shouldn’t be surprised. Still, you’ve got to be fn kidding me

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Benjamin DeAngelo @bendeangelo.bsky.social · 17/09/2026

Hi colleagues. Headed to NYC Climate Week next Wed the 23rd and unfortunately only that day due to teaching schedule. Will be attending open and closed sessions focused on climate adaptation & resilience. Looking fwdd to hearing/discussing new ideas for the private sector & subnational governments

i.snoball.it

The Nest Campus 2026 New York | Climate Week NYC Resilience Economy Event

Sept 22–24, 2026 in New York during Climate Week NYC. Leaders, startups, policymakers and investors meet to shape the resilience economy and drive action.

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Benjamin DeAngelo @bendeangelo.bsky.social · 09/09/2026

Former colleagues and I submitted this comment about new proposal to “amend” the last nat’l climate assessment. Basically let’s have a credible process. Could address this and all other new info for NCA6. Disservice to imply high-end climate outcomes are implausible. www.climate.us/news-feature...

climate.us

A response from former USGCRP leaders on proposal to revise the Fifth National Climate Assessment

Former executive director of the U.S. Global Change Science Program and several colleagues describe the rigor of the process that produced NCA5 and

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Benjamin DeAngelo @bendeangelo.bsky.social · 25/08/2026

In an earlier version of myself I was in the band Blue Pinto (about 1.5 steps above a garage band) and we did a cover of Jolene. We all loved Dolly despite our different musical tastes. She was an American treasure. legacy.reverbnation.com/bluepinto/so...

legacy.reverbnation.com

Jolene | Blue Pinto

Jolene by Blue Pinto, Rock music from Washington, DC on ReverbNation

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Benjamin DeAngelo @bendeangelo.bsky.social · 20/08/2026

I served as NOAA exec editor of the 2020 Arctic Report Card. Disappointing but not surprising that the current NOAA no longer supports this annual report of the most rapidly changing place on Earth. Arctic changes are important for weather, climate, commerce and national security.

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Benjamin DeAngelo @bendeangelo.bsky.social · 13/08/2026

Received a grant from the Environmental Protection Network to research and interview a range of people to assess and recommend what climate adaptation could look like in a future EPA. If you have your own thoughts pls reach out. www.environmentalprotectionnetwork.org/epn-environm...

environmentalprotectionnetwork.org

Meet the EPN Fellows

Meet the EPN Fellows of the Environmental Science Impact Fellowship program [Read more]

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Benjamin DeAngelo @bendeangelo.bsky.social · 05/08/2026

Fmr EPA colleagues submitted this amicus brief arguing that nothing in the Clean Air Act preempts Boulder’s state law tort claims.

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Benjamin DeAngelo @bendeangelo.bsky.social · 05/08/2026

The Supreme Court will be hearing a significant climate case in October. Suncor v Boulder County is about whether fed law precludes state-law claims seeking relief for injuries allegedly caused by the effects of GHGs on the climate. lnkd.in/ec5BAuCu

lnkd.in

This link will take you to a page that’s not on LinkedIn

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Benjamin DeAngelo @bendeangelo.bsky.social · 28/07/2026

Sending you an email about an AI and climate resilience publication

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Benjamin DeAngelo @bendeangelo.bsky.social · 19/07/2026

This looks great. I just signed up. Want to weave in more discussion of AI into my Howard undergraduate class on climate change and am interested in AI for resilience in particular.

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Benjamin DeAngelo @bendeangelo.bsky.social · 15/07/2026

The proposal would focus political oversight on review of individual research proposals, consuming time that would better be used for high-level leadership. It assumes that political judgement can legitimately supersede objective assessment of merit by multidisciplinary expert peer review.

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Benjamin DeAngelo @bendeangelo.bsky.social · 15/07/2026

** OMB has not fully considered the economic impacts of the proposal. ** The proposal purports to “restore gold standard science” and promote scientific integrity, including transparency and independent (unbiased) peer review. However, it is difficult to see how it would achieve these objectives.

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Benjamin DeAngelo @bendeangelo.bsky.social · 15/07/2026

Agencies cannot simply delegate to OMB their respective authority. These agencies have their respective statutory requirements to implement congressionally-mandated programs, some of which explicitly require scientific peer review to take precedence over political reviews.

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Benjamin DeAngelo @bendeangelo.bsky.social · 15/07/2026

Moreover, this is the very first time that OMB is not providing direction in the form of guidance, but instead binding regulations.

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Benjamin DeAngelo @bendeangelo.bsky.social · 15/07/2026

OMB asserts they have the authority to promulgate this regulation by citing statutory language which states that the Deputy Director Manager is able to 'provide overall direction and leadership to the executive branch on financial management matters' but the proposal goes far beyond financial mgmt.

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Benjamin DeAngelo @bendeangelo.bsky.social · 15/07/2026

The proposed OMB rule Regulation for Federal Financial Assistance is getting the attention it deserves. Thousands of comments were submitted by yesterday's deadline. The Environmental Protection Network submitted a comprehensive set of comments for anyone interested in a critique of OMB's proposal.

environmentalprotectionnetwork.org

EPN and L4GG Comments on Regulation for Federal Financial Assistance

On July 13, 2026, Environmental Protection Network and Lawyers for Good Government submitted formal comments opposing the Office of Management and Budget’s proposed regulation governing federal financ...

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Benjamin DeAngelo @bendeangelo.bsky.social · 24/06/2026

Congrats to my former NOAA colleagues for launching the independent climate.us. This websites restores and maintains lots of taxpayer-funded and in some cases congressionally-mandated info that has been removed from fed websites. Check it out if you haven't already. lnkd.in/emwFQN7w

climate.us

Climate.us Home

independent, nonprofit, and immune to politics

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Benjamin DeAngelo @bendeangelo.bsky.social · 18/06/2026

This is good news. When this was first announced it just made no sense and had no scientific or even cost justification.

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Benjamin DeAngelo @bendeangelo.bsky.social · 10/06/2026

My latest on substack: substack.com/home/post/p-... I've been focused in this space recently -- can we develop better metrics for climate adaptation and resilience

substack.com

What's the Net-Zero Goal for Climate Adaptation?

The climate mitigation world has operational numbers; climate adaptation doesn't

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Benjamin DeAngelo @bendeangelo.bsky.social · 27/05/2026

Was sad to get this news. Rafe was a good guy, really respected him and enjoyed his sense of humor.

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Benjamin DeAngelo @bendeangelo.bsky.social · 23/05/2026

Really enjoyed being back at Penn State for the Climate Solutions Symposium and to contribute ideas for the Prepare PA initiative for my home state. Working on metrics of success for resilience in PA.

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Benjamin DeAngelo @bendeangelo.bsky.social · 13/05/2026

Happy to share this podcast I did with Ashely Harrigan and Jon Ray. Check out their Road to Resilience podcast series. www.youtube.com/watch?app=de...

youtube.com

A Great Reinvention: What a Fed Learned by Going Back to School

YouTube video by Ashley Harrigan

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Benjamin DeAngelo @bendeangelo.bsky.social · 07/05/2026

Yes, they recently finalized a decision repealing the endangerment finding. That will be litigated. You could still have a climate adaptation program even without the endangerment finding.

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Benjamin DeAngelo @bendeangelo.bsky.social · 06/05/2026

EPA did that very formally in 2009 with the GHG endangerment finding under the Clean Air Act. But yes, you have to acknowledge that there's a problem worth adapting to in the first place.

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Benjamin DeAngelo @bendeangelo.bsky.social · 05/05/2026

I was interviewed for this article. We thought climate adaptation work at EPA would be supported. It's always been and from my experience still is bipartisan. You prepare for change. It's as simple as that. www.eenews.net/articles/ada...

eenews.net

Adaptation was supposed to be safe under Zeldin. It didn't turn out that way.

The EPA administrator once touted the importance of climate adaptation programs. Now that he's in charge, he's taking a different approach.

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Benjamin DeAngelo @bendeangelo.bsky.social · 04/05/2026

I've now wrapped up my first ever class teaching global climate change at Howard University. It was a lot of work doing it for the first time but very fulfilling. The students are great, am proud of the work they did, and am wishing them all the success in the world for the road ahead.

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Benjamin DeAngelo @bendeangelo.bsky.social · 28/04/2026

I want to thank my panelists, participants, and student volunteers, again for an insightful #DCClimateWeek event at Howard University. After setting the stage on the urgency of investing in a more resilient future, our panelists shared their expertise about the emerging investability of resilience.

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Benjamin DeAngelo @bendeangelo.bsky.social · 20/04/2026

DC Climate Week! *Tomorrow (Tues) I'll be participating in a panel, Climate Careers, Past, Present, and Future, at 10:30am at UofMD lnkd.in/eRDRZsZh *Friday (April 24) 4pm will be moderating a panel at Howard U on Investable Resilience: Turning Climate Metrics into Capital, luma.com/kojy9eaa

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Benjamin DeAngelo @bendeangelo.bsky.social · 26/03/2026

Ok! That sounds like a good one over beers.

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Benjamin DeAngelo @bendeangelo.bsky.social · 26/03/2026

Every lecture for my climate class @Howard I get to cover an interesting topic (ok, in my very humble opinion) but today is one of my favorites: telling the story of the hugely successful Montreal Protocol and how it provided the template -- and unrealistic expectations - for climate negotiations.

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Benjamin DeAngelo @bendeangelo.bsky.social · 16/03/2026

Check out Climatific. New bloggers on climate and the environment. I interviewed with them on the basics of EPA's greenhouse gas endangerment finding and its recent repeal climatific.beehiiv.com/p/understand...

climatific.beehiiv.com

Understanding the Endangerment Finding, Made Simple (with Benjamin DeAngelo)

Spoiler: The thing that's endangered is your health, and the reason that matters is, well, reread this sentence.

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Benjamin DeAngelo @bendeangelo.bsky.social · 27/02/2026

Calling all climate resilience people attending DC Climate Week. Save the date for April 24, 4-6pm. Am putting together an event hosted at Howard University, "Investable Resilience: Turning Climate Metrics into Capital." #DCClimateWeek luma.com/kojy9eaa

luma.com

Investable Resilience: Turning Climate Metrics into Capital · Luma

This event is hosted by Howard University. How can we craft adaptation metrics to make the business case for resilience in urban communities? There is a $40+…

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Benjamin DeAngelo @bendeangelo.bsky.social · 20/02/2026

Great additional analysis on the EPA repeal of the greenhouse gas endangerment finding from someone who I know knows

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Benjamin DeAngelo @bendeangelo.bsky.social · 20/02/2026

EPA's previous analyses showed large net benefits. For the medium/light-duty rule alone, monetized benefits using SCC were on the order of $72B. Yes, now those benefits are assumed to be zero. Couple of us ex-feds who worked on 2009 finding have our commentary here substack.com/home/post/p-...

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Benjamin DeAngelo @bendeangelo.bsky.social · 18/02/2026

I love how it sounds like electronica but it's all old school humans playing instruments live

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Benjamin DeAngelo @bendeangelo.bsky.social · 18/02/2026

John Hannon and I share our own commentaries about EPA's move to repeal the 2009 greenhouse gas endangerment finding. Both John and I were members of the EPA team that developed the 2009 finding. bendeangelo.substack.com/p/american-t...

bendeangelo.substack.com

American taxpayers and current and future generations deserve better

Our EPA decrees it has no authority to regulate greenhouse gases with already-rejected arguments, creativity under the Clean Air Act, and with no basis to invalidate the 2009 endangerment finding.

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Benjamin DeAngelo @bendeangelo.bsky.social · 12/02/2026

The Supreme Court, not the Obama EPA, ruled that GHGs are air pollutants under the Clean Air Act. The first draft tech support doc with all supporting science that eventually supported 2009 finding was released for public comment under the Bush Admin.

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Benjamin DeAngelo @bendeangelo.bsky.social · 12/02/2026

Today's EPA statement says that the endangerment finding was overreach by the Obama Admin. Actually, this process dates back to 1999 when EPA was petitioned to regulate GHGs under the Clean Air Act. That led to 2007 Mass v EPA Supreme Court decision which directed EPA to make a science-based finding

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Benjamin DeAngelo @bendeangelo.bsky.social · 11/02/2026

Of course EPA has now decided that it will assign the benefits of GHG or other pollution reductions, including lives saved, a value of zero.

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Benjamin DeAngelo @bendeangelo.bsky.social · 11/02/2026

EPN pointed out in their comments that the rules EPA is rescinding have positive net benefits. The Clean Car Rule avoids over 3,000 deaths and has annual net benefits of $96 billion. The Clean Truck Rule (phase 3) will save over 100 lives and has annual net benefits of over $10 billion.

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