Extreme Temperature Diary- Wednesday September 24th, 2025/Main Topic: The Most Stupid Speech in UN History

The Stupidest Speech in UN History – by Bill McKibben

The Stupidest Speech in UN History

Everyone’s saying so!

Bill McKibben

It was not the longest speech in UN history—that was Fidel Castro in 1960, fulminating against American imperialism for four hours and 29 minutes (a rant vindicated by the Bay of Pigs invasion seven months later

It was not the most provocative speech in UN history—that was Soviet premier Nikita Khruschev, banging his shoe, also in 1960 (good times, 1960!)

It wasn’t even the most dangerous speech in UN history—that was Colin Powell, misleading the global community about Iraqi weapons of mass destruction as a pretext for our calamitous invasion.

But it was definitely the dumbest speech that delegates have ever had to listen to—as the shots of them looking on in stony disbelief as Trump vented about broken escalators, MAGA hats, and his general greatness for nearly an hour (ignoring the 15 minute time limit respected by the mere mortals that rule other nations). “Everyone says I should get the Nobel Peace Prize,” he explained helpfully. Just to give you a flavor of his address, he devoted a considerable section to describing the floor treatments he would have provided for the UN if he’d won some contract long ago

It would be beautiful. I used to talk about, “I’m going to give you marble floors, they’re going to give you terrazzo.” The best of everything. “You’re going to have mahogany walls, they’re going to give you plastic.” But they decided to go in another direction, which was much more expensive at the time, which actually produced a far inferior product. And I realized that they did not know what they were doing when it came to construction and that their building concepts were so wrong, and the product that they were proposing to build was so bad and so costly, it was going to cost them a fortune. And I said, “And wait until you see the overruns.” Well, I turned out to be right. They had massive cost overruns and spent between two and $4 billion on the building and did not even get the marble floors that I promised them.

But the longest, and dumbest, section of the speech was about climate change. Trump—who fifteen years ago helped take out a full page ad demanding more climate action from Barack Obama (“Please allow us, the United States of America, to serve in modeling the change necessary to protect humanity and our planet”)—described it on this day not only a “hoax,” but even more: “the largest con job ever perpetrated on the planet.”

There’s no point refuting his climate denialism; evidence, data, and expert analysis bounce off his bronzed hide like tennis balls off a rhino. Everyone sitting in that room has spent decades working the giant problem of climate change—it’s been the defining issue for the UN because it’s the one thing (alongside nuclear weapons) that could actually take down our civilizations. But of course that work has always been incredibly hard, because the thing that drove global warming—fossil fuel—was also the thing that drove our economy.

Now that’s changed—and everyone in the room was also aware of the subtext. The five-year-old fact that solar and wind and battery power are now cheaper than coal and oil and gas opens up the sudden possibility for change. And with it the sudden possibility that the power balance that has defined the world since the UN was formed—the U.S. as the dominant nation, first among unequals, is now very much in question.

Trump began, in fact, with an attack on the clean energy sources that are at the heart of this transition

By the way, of course, wind is only slightly more expensive than solar power, and both are much cheaper than fossil fuels, which are the things now receiving endless federal subsidy. But everyone knows this, because they are all aware of the second great fact of the world in 2025 (the first being that the US elected an idiot). It’s that China is, as we speak, building a vast and powerful economy on the back of windmills and solar panels, electric motors and actuators, digital sensors and controls. (A very useful piece by the great Saul Griffith just described this “electro tech stack.”) They’re going to be an electro-state. They’re finally starting to use less coal, because—again—everyone in this world understands that coal is dirty, and that Chinese cities were grossly polluted until a couple of years ago, and now they’re…not nearly so bad. So how weird does it sound for the president of the United States to say

Trump was in salesman mode as usual, of course, repeating that America was the “hottest” country on earth as he worked up to his big sales pitch:


We stand ready to provide any country with abundant, affordable energy supplies if you need them, when most of you do. We’re proudly exporting energy all over the world. We’re now the largest exporter

In order to move product, he has to talk down the competition—in general, he maintained that “your countries are going to hell,” but he singled out Britain, perhaps because he was just there. Along with accusing the mayor of London of trying to impose sharia law, he lit out after his hosts at 10 Downing Street.

A lot of the countries that we’re talking about and oil and gas, such as essentially closing the Great North Sea oil. Oh, the North Sea. I know it so well. Aberdeen was the oil capital of Europe and this tremendous oil that hasn’t been found in the North Sea. Tremendous oil. And I was with the Prime Minister I respected, like a lot. And I said, “You’re sitting with the greatest asset.” They essentially closed it by making it so highly taxed that no developer, no oil company can go there. They have tremendous oil left and more importantly, they have tremendous oil that hasn’t even been found yet.

And what a tremendous asset for the United Kingdom. And I hope the prime minister’s listening because I told it to him three days in a row. That’s all he heard. North Sea oil, North Sea, because I want to see them do well. I want to stop seeing them ruining that beautiful Scottish and English countryside with windmills and massive solar panels that go seven miles by seven miles taken away farmland, but we’re not letting this happen in America.

In the real world, the UK is getting a third of its power from offshore wind; it closed its last coal-fired power plant last year. The prime minister, like all relatively normal people that Trump encounters, must just hold his head and wait for it all to pass; why would he ever sign up for an energy supply controlled by this guy.

Climate scientists are long used to weird denialism, but Trump is next level. Think of devoting your life to unraveling this great question, and doing so successfully, only to have the leader of the United States (whose scientists first figured out this mystery) go on a tear like this:

It used to be global cooling. If you look back years ago in the 1920s and the 1930s, they said, global cooling will kill the world. We have to do something. Then they said global warming will kill the world. But then it started getting cooler.

I mean, the 1930s were the Dust Bowl. The standard climate denier argument is that the hot temps of those years prove today’s world is normal—he’s even got his nonsense backward.

Or imagine being one of the many climate policy people gathered this week in New York for the round of seminars and conferences that is Climate Week, only to hear Trump say:

In the United States, we have still radicalized environmentalists and they want the factories to stop. Everything should stop. No more cows. We don’t want cows anymore. I guess they want to kill all the cows. They want to do things that are just unbelievable and you have it too.

Forget the cows—the exact point of much of the climate work of the last decade has been to build more factories, for batteries and EVs and panels and all the rest. Factories that are now closing, or being raided by ICE, or taken off the drawing board because who in their right mind would start building a factory in a country ruled by a guy that could decide any day to just demand ten percent of the company.

Americans are somewhat inured to Trump’s speechifying. But some of the diplomates from the rest of the world, which still invests some majesty in the United Nations, were doubtless hearing him in this mode for the first time. They didn’t seem exactly angry, as you might have expected given the cruel and insulting attacks—some of them seemed almost embarrassed for Americans, almost sympathetic for the plight of a people ruled by a verbally incontinent and mentally limited codger reduced to repeating the same silliness over and over. It is profoundly embarrassing to have people embarrassed for you.

But this will in the end be a very significant speech—precisely because of its stupidity. When American historians tell the story of 2025, it will be about the rise of our off-brand fascism. When world historians tell the story of 2025, it will be about the passing of technological, and hence economic, and hence political leadership from the U.S. to China, in the span of eight months. The tape of this address will be the easiest way to explain to people how such a mammoth shift happened so fast.

At least he didn’t make them play YMCA.

“‘Green scam’: At UN, watched by drowning nations’ leaders, Trump assails the ethos of climate change" | Article by @borenbears.bsky.social and @melinawalling.bsky.social for @apnews.com:apnews.com/article/trum…

Michael E. Mann (@michaelemann.bsky.social) 2025-09-24T01:11:07.608Z

Most of Europe has slipped below temperature average with full autumn conditions,but record heat persists in some areas:Almost 38C in Turkey,34C in Greece,33C in the Balkans with one last record warm night expected tomorrow.

Extreme Temperatures Around the World (@extremetemps.bsky.social) 2025-09-24T18:09:50.335Z

UNPRECEDENTED HEAT IN MIDDLE EASTRecord heat continues with widespread Minimum temperatures 30C/33C at low elevations,with summer heat also in the highlands with up to 40C at 1200m asl in IRAN and will get hotter:Let's expect hundreds of October records smashed allover the area

Extreme Temperatures Around the World (@extremetemps.bsky.social) 2025-09-24T15:31:01.673Z

Record heat continues in Southeast Asia with stifling hot nights.In VIETNAM Ca Mau had an exceptional Minimum of 29.7C, breaking for the 3rd time this month its record of September hottest night in history

Extreme Temperatures Around the World (@extremetemps.bsky.social) 2025-09-24T01:55:46.471Z

While a cold front has swept away all heat in Argentina and Paraguay, record heat has persisted for the past 2 weeks in Northern CHILE with temperatures up to 35C and some records broken, the most important Monthly record was the 33.0C at Copiapò.

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World temperature anomalies have been rising abruptly since July,in particular we observe absolutely remarkable anomalies in the past 7 days up to +0.76C vs 1991/2020,the highest since January and even temporarily above those of 2024 in the same period.Map credit Dr. Ryan Maue

Extreme Temperatures Around the World (@extremetemps.bsky.social) 2025-09-24T10:43:54.211Z

🔥 Deadly heat in Europe Researchers estimate nearly 63,000 people died from heat in Europe in 2024. A new early warning system could predict health emergencies a week ahead, helping save lives. 🔗 www.nature.com/articles/s41… #SciComm #ClimateCrisis #ClimateHealth 🧪

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Grist (@grist.org) 2025-09-23T18:02:13.876Z

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Daniel Swain (@weatherwest.bsky.social) 2025-09-24T15:36:48.000Z

I will be speaking at The Education University of Hong Kong on September 26 from 12 – 1:15pm about how urgent the climate crisis is and how we can take action against it. More information can be found here:michaelmann.net/events/urgen…

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New Google AI ensembles. Next week’s forecast is a very complicated one for the East Coast. Potentially two tropical systems – maybe hurricanes – interacting with a cold front and each other. Interests along the Southeast Coast should monitor closely. #hurricane

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Telltale sign of this odd Atlantic season: The #Azores are on track to experience a hurricane, #Gabrielle, before anyplace in North or Central America or the Caribbean. Meanwhile, Hong Kong and points west are bracing for #Ragasa, still at Cat 4 strength.yaleclimateconnections.org/2025/09/hurr…

Bob Henson (@bhensonweather.bsky.social) 2025-09-23T21:09:15.588Z

Ragasa making closest pass now to Hong Kong and Macao, areas will be in pummeling NE quad for several hours. Most Hong Kong Observatory observation sites now reporting 100 km/h (60 mph) gusts with max winds near 175 km/h (109 mph).

Alan Gerard (@wxmanms1.bsky.social) 2025-09-23T22:36:39.721Z

When extreme weather strikes, thousands turn to @weatherwest.bsky.social. 🌩️ Daniel Swain, climate scientist and prolific communicator, makes complex #science clear for the public. Meet him in this year’s #Grist50 list: grist.org/fix/grist-50…#Weather #Disaster #Climate #Floods #Hurricane

Grist (@grist.org) 2025-09-23T18:00:22.145Z

First bit of snow this morning in Fairbanks, a few days earlier than the typical first autumn snow for the 21st century. The average date of the first snow is now about ten days later than it was in the earlier 20th century. #akwx #Climate #Snow

Rick Thoman (@alaskawx.bsky.social) 2025-09-23T15:01:17.328Z

The American Petrostate#ScienceUnderSiege

Michael E. Mann (@michaelemann.bsky.social) 2025-09-24T02:55:12.259Z

California’s first solar-covered canal is now fully online.The 1.6-megawatt pilot system is among a growing number of initiatives to put solar over waterways. The approach could generate gigawatts of power nationwide.grist.org/energy/calif…#Climate #CA #California #Water #Energy #WaterWays

Grist (@grist.org) 2025-09-23T22:05:20.002Z

A Federal Judge Lifted the Stop-Work Order on Revolution Wind #Climate

Climate Tracker (@climate.skyfleet.blue) 2025-09-24T09:18:41.988Z

"Nuclear, small or large, is too expensive, too slow, too risky, and too narrow for energy transition. Cool the reactor hype. Focus on technologies that already winning: #wind, #solar, #batteries, heat pumps, grid flexibility."#climate #nuclear oilprice.com/Energy/Energ…

Dr Paul Dorfman (@drpauldorfman.bsky.social) 2025-09-24T08:46:24.791Z

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Manuela Casasoli (@manuelacasasoli.bsky.social) 2025-09-22T15:11:08.493Z

Michael E. Mann (@michaelemann.bsky.social) and Peter Hotez (@peterhotezmdphd.bsky.social) discuss their new book Science Under Siege with Yale Climate Connections. yaleclimateconnections.org/2025/09/its-… #booksky #scibooks

National Center for Science Education (@ncse.bsky.social) 2025-09-24T15:56:23.243Z

#theBeeAt3Basic bee facts every day at 3pm.# 181Bumblebees tend to start struggling to fly when the ambient temperature rises above 100°F (38°C).#bees #climate#nature#environment🐝🌍

The Bee Guy (@thebeeguy.bsky.social) 2025-09-24T15:17:41.273Z

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