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Patrick Grenter

@patrickgrenter

Deputy Chief Energy Officer at Sierra Club.

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Latest posts by Patrick Grenter @patrickgrenter

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Southern California air board rejected pollution rules after AI-generated flood of comments The opposition appeared overwhelming: Tens of thousands of emails poured into Southern California's top air pollution authority as its board weighed a June proposal to phase out gas-powered appliances...

They were going to pass rules to phase out gas stoves, until they received 20,000 public comments against the regulations. Except, oops, it turns out the comments were generated by AI.

27.02.2026 20:32 πŸ‘ 1338 πŸ” 543 πŸ’¬ 37 πŸ“Œ 40

The heat energy we added to the ocean LAST YEAR is the equivalent of:
- Detonating ten hydrogen bombs every minute
- operating over a hundred large power plants continuously for all of written human history
- Five times all the electricity human beings have ever used

14.01.2026 21:05 πŸ‘ 223 πŸ” 157 πŸ’¬ 10 πŸ“Œ 12
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Sen. Brian Schatz wants permitting reform, but not like this Hawaii's senator on the Trump "solar ban," the pivot to energy affordability, and the hard lessons of the IRA.

ICYMI: I talked with Hawaii's Senator Brian @schatz.bsky.social about (among other things) current Republican efforts at permitting reform and why he is not on board, despite being pro-permitting reform in general.

05.01.2026 19:14 πŸ‘ 48 πŸ” 15 πŸ’¬ 5 πŸ“Œ 1

In short, you're not creating a "level playing field" if Trump & Burgum are, through other means, effectively imposing a ban on solar power. Unless they stop doing that, any permitting reform is simply a blank check to fossil fuels.

05.01.2026 19:15 πŸ‘ 78 πŸ” 18 πŸ’¬ 3 πŸ“Œ 0

The deep connection between oil and war has been a defining factor of modern geopolitics, but usually US Presidents try to downplay the link.

Not Trump. There he is on TV telling us the US has the biggest oil companies in the world and they are going to take control of Venezuela's oil. #ClimateSky

03.01.2026 17:17 πŸ‘ 18 πŸ” 6 πŸ’¬ 1 πŸ“Œ 0

Is it a threat to free speech when the President of the United States threatens to yank the broadcast license of a channel whose reporters are asking him challenging questions?

I ask because I feel like there used to be tons of pundits worried about free speech. Where'd they go?

18.11.2025 18:19 πŸ‘ 5672 πŸ” 1576 πŸ’¬ 165 πŸ“Œ 42
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Every generation gets to recreate the environmental movement to suit its own purposes Some big-picture reactions to a recent NYT piece

There was an NYT piece last week about the Sierra Club, and (by extension) the current state of the climate movement.

I think they got three big things wrong.

davekarpf.substack.com/p/every-gene...

12.11.2025 13:17 πŸ‘ 110 πŸ” 32 πŸ’¬ 10 πŸ“Œ 12
Qiyam Ansari tenderly holds an inhaler attached to a face mask to the face of a fluffy black cat.

Qiyam Ansari tenderly holds an inhaler attached to a face mask to the face of a fluffy black cat.

Qiyam Ansari has asthma β€” an attack nearly killed him β€” and even his cat suffers from it. Their region is notorious for its air pollution.

Trump has halted rules that would have forced companies to more accurately measure and reduce emissions in such areas.

πŸ”— Full story: https://propub.li/4hDtkcb

01.11.2025 23:00 πŸ‘ 528 πŸ” 167 πŸ’¬ 12 πŸ“Œ 12
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The GOP’s top think tank just defended an open Nazi ο»ΏReasonable people can disagree about whether Hitler was good, says the Heritage Foundation.

Kevin Roberts' defense of Nick Fuentes is a watershed moment: the right has officially declared open, unabashed Hitlerism to be an acceptable position in their coalition

www.vox.com/politics/466...

31.10.2025 18:02 πŸ‘ 2953 πŸ” 1133 πŸ’¬ 85 πŸ“Œ 99
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Obama and Bill Gates to Launch Clean Energy Initiative President Barack Obama and Microsoft co-founder Bill Gates will launch a multi-billion-dollar initiativeΒ MondayΒ to accelerate clean-energy research and development as part of a global effort to fight ...

His worst offense was reorienting the entire Paris agreement away from affordability toward innovation through his Mission Innovation side show in 2015. China went the route of deployment, we decided that we needed to focus on innovation instead.

www.wsj.com/articles/oba...

29.10.2025 18:23 πŸ‘ 140 πŸ” 37 πŸ’¬ 4 πŸ“Œ 14
Video thumbnail

a live look at the demolition of the White House's East Wing for Trump's ballroom

22.10.2025 17:04 πŸ‘ 6300 πŸ” 3058 πŸ’¬ 1271 πŸ“Œ 1009
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Hyundai details $6B steel mill in Louisiana, commitment to β€˜hydrogen economy’ | New Orleans CityBusiness Hyundai aims to lead U.S. hydrogen economy despite policy and cost challenges.

"Hyundai’s internal projections highlight the rapid expected growth in green steel. According to the company, the U.S. green steel market is expected to grow at 8.5% annually through 2034, more than double the growth rate of conventional steel."

21.10.2025 21:55 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

Is he just gonna steal $230 million dollars from us?

21.10.2025 18:52 πŸ‘ 3693 πŸ” 905 πŸ’¬ 656 πŸ“Œ 106

shocked to learn that the president lied about this and also this is a horrible defacing of a building that belongs to the people of the United States, not donald trump

20.10.2025 18:52 πŸ‘ 9826 πŸ” 2584 πŸ’¬ 303 πŸ“Œ 116

Vought is at war with large swaths of the population, with the very idea of a society defined by democratic pluralism. If you have correctly identified that this guy is now in a really powerful position, that people like him are in control of the government, how is that not the main story?

12.10.2025 13:38 πŸ‘ 1401 πŸ” 240 πŸ’¬ 7 πŸ“Œ 7

Vought is not interested in β€œnormal” democratic politics: He seeks to β€œtraumatize” civil servants, use the military to suppress protests, and sees Trump as an agent of God’s will. He is convinced to be fighting a noble war to defend his β€œreal America” of white Christian patriarchal rule.

12.10.2025 13:35 πŸ‘ 1360 πŸ” 246 πŸ’¬ 4 πŸ“Œ 12
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We need to talk about Russell Vought – But Properly Why certain mainstream outlets insist on sanitizing Vought as a devout β€œsmall government” conservative – and what actually animates his war against pluralistic democracy

Sunday reading:

I wrote about the aggrieved extremist who is currently firing thousands of federal workers and ravaging state capacity based on conspiratorial nonsense - and about mainstream media’s infuriating tendency to sanitize Russell Vought and the regime he serves.

This week’s piece:

12.10.2025 13:08 πŸ‘ 3735 πŸ” 1554 πŸ’¬ 81 πŸ“Œ 160
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MAGA’s β€œVoter Fraud” Watchdog Votes in a Swing State. He Doesn’t Live There. A long paper trail shows that Jack Posobiec casts a ballot in one state and lives in another.

A long paper trail reveals that Jack Posobiec, MAGA’s leading voice on β€œvoter fraud,” lives in Maryland but votes in Pennsylvania. slate.trib.al/VZCW5jG

03.10.2025 10:37 πŸ‘ 94 πŸ” 40 πŸ’¬ 5 πŸ“Œ 11

the president of the united states wants to use the american military to kill american citizens on american soil. that's the whole story!

30.09.2025 14:43 πŸ‘ 49616 πŸ” 15470 πŸ’¬ 663 πŸ“Œ 715

and also, an executive order banning mail-in voting has the legal authority of a social media post

18.08.2025 12:46 πŸ‘ 4131 πŸ” 480 πŸ’¬ 34 πŸ“Œ 19

Jeremy is one of the smartest experts working on climate and energy around and this is a critical topic. Check it out!

31.07.2025 20:44 πŸ‘ 0 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
EHP Publishing

Living within 2 km of fracking operations in Pennsylvania greatly increases risk for childhood leukemia.
ehp.niehs.nih.gov/doi/10.1289/...

17.07.2025 10:39 πŸ‘ 33 πŸ” 14 πŸ’¬ 3 πŸ“Œ 1

πŸ‘€

08.07.2025 13:30 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Season one can be tough but stick with it.

13.06.2025 23:01 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Cover of paper from the Sierra Club titled "The Long Term Will Be Decided Now: Why Climate Risk Demands System-Level Action from Investors" (June 2025)

Cover of paper from the Sierra Club titled "The Long Term Will Be Decided Now: Why Climate Risk Demands System-Level Action from Investors" (June 2025)

πŸ“£πŸ‘‹ New paper from @sierraclub.org out today! It's been a long time in the making.

It challenges conventional sustainable investing and urges asset owners to confront climate change as a systemic threat to the global economy and long-term portfolios.

πŸ‘‰ Full paper: www.sierraclub.org/systemic-cli...

10.06.2025 15:32 πŸ‘ 113 πŸ” 67 πŸ’¬ 4 πŸ“Œ 6

dolan came out right away and was like β€œi don’t know this guy, he’s not one of ours” and i was sold on the new pope right away. all it took

10.05.2025 15:36 πŸ‘ 229 πŸ” 27 πŸ’¬ 5 πŸ“Œ 1

I was thrilled to vote for James Malone today. Even more thrilled he’s my new state Senator.

26.03.2025 03:07 πŸ‘ 4 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

re the previous repost: if they can disappear permanent residents they can disappear citizens

09.03.2025 22:25 πŸ‘ 48822 πŸ” 10779 πŸ’¬ 440 πŸ“Œ 476
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New Name, Same Mission: The Sierra Club's Sustainable Finance Campaign To better reflect the broader scope of our work to combat the climate crisis and protect the economy, the Sierra Club is renaming the Fossil-Free Finance campaign to the Sustainable Finance campaign.

Time for a refresh! β˜€οΈπŸŒ±

To better reflect the broader scope of our work to combat the climate crisis and protect the economy, the @sierraclub.org is renaming the Fossil-Free Finance campaign to ✨the Sustainable Finance campaign✨

www.sierraclub.org/articles/202...

31.01.2025 20:38 πŸ‘ 24 πŸ” 6 πŸ’¬ 1 πŸ“Œ 1

On repeat.

31.01.2025 20:24 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0