Extreme Temperature Diary- Saturday October 24th, 2026/Main Topic: Europe’s CAT5 Heatwave Ember Claimed 50,000 lives. Climate Change Blamed for Two-Thirds of Deaths

Green News Report

Episode: 10/22/2026 — More info…

Extreme Temperature Diary Tuesday June 30th, 2026/Main Topic: CAT5 Heatwave Ember Causes Political Fallout in Germany – Guy On Climate

Extreme Temperature Diary Sunday June 28th, 2026/Main Topic: Update on Catastrophic European Heatwave Ember – Guy On Climate

Extreme Temperature Diary Thursday June 25th, 2026/Main Topic: European Heatwave Ember Dire Notes – Guy On Climate

Extreme Temperature Diary Wednesday June 17th, 2026/Main Topic: New Horrible Heatwave Dubbed Ember Slated for Europe – Guy On Climate

‼️ New: 50,000 Killed in #Europe’s worst summer #heatwaves on record!Two new peer-reviewed studies find: “Climate-driven impact: About 50,000 excess heat deaths are estimated to have occurred in 854 #European urban areas during summer 2026…

— Jeff Berardelli (@weatherprof.bsky.social) 2026-10-23T16:39:45.290Z

About 2/3rds of the expected mortality total is attributable to climate change, primarily as a result of burning fossil fuels.”“The modelled urban area mortality toll for this year’s summer is the highest in the 26 years since 2000, far in excess of the next highest in 2022(29K) and 2003 (28K).”

— Jeff Berardelli (@weatherprof.bsky.social) 2026-10-23T16:41:19.965Z

Of the estimated 50K deaths, 2/3rds were caused by carbon pollution driven warming. These numbers are for the summer as a whole and only for Urban areas, so deaths are likely underestimated…

— Jeff Berardelli (@weatherprof.bsky.social) 2026-10-23T16:42:01.468Z

Of the 50,000 heat deaths in Europe in the summer of 2026, 32,000 were killed by fossil fuels. Meanwhile, $65 billion in windfall profits for five biggest oil and gas companies in second quarter of 2026. www.npr.org/2026/10/23/g…

— Jeff Goodell (@jeffgoodell.bsky.social) 2026-10-23T13:28:46.200Z

Europe’s killer heat this summer claims 50,000 lives : NPR

Climate

Europe’s heat claims 50,000 lives. Climate change blamed for two-thirds of deaths

The Associated Press

A man rides his bike along a flooded road near Chiba metro station in Chiba, Japan, on Aug. 13, 2026, as heavy rain swept through the area. Torrential rain pummeled eastern Japan, triggering landslides and power outages, and prompting the weather authority to issue its highest-level heavy rain warning for the region for the first time.

Extreme Weather

From Europe to Asia, floods to heatwaves, world experiences weather shocks

Researchers modeled heat-related deaths for different age groups in 854 European cities during repeated heat waves in June, July and August and found that 50,391 people died from warmer temperatures, and of those, 32,619 died because of the extra heat caused by the burning of coal, oil and gas, according to a study in an upcoming issue of Nature Health.

That’s 71% higher than the previous deadliest summer, which was 29,480 in 2022, according to the same researchers, who produced a study earlier this month tracking yearly summer heat-related deaths in those European cities. And this summer’s death figures are underestimates because they don’t count a deadly heat wave in May and they only look at deaths in those 854 cities, which are about 40% of Europe’s population, study authors said.

Of those 50,000, more than 32,000 died from the added heat of human-caused climate change, the study also found. Italy, France, Spain and Germany had the highest death tolls, the study said. Of all the European capitals, Rome had the highest heat death total from 2000 to 2025, according to the team’s study earlier this month.

An extra dose of heat from fossil fuel burning

This would’ve already been an abnormal natural hot spell on top of a huge amount of climate change, Barnes said. She said Europe is the fastest-warming continent — although the Arctic, which is not a continent, is warming even faster — and is 4.5 F (2.5 C) hotter than pre-industrial times.

“Just the underlying warming from human activity, from mostly the burning of fossil fuels, it’s increasing all of our temperatures by what sounds like quite a small amount,” Barnes said. “For many people, it’s certainly the case that that extra two-and-a-half degrees (Celsius) of warming is what’s going to tip those temperatures from uncomfortable to dangerous and potentially deadly.”

More than half of the people who died in Europe’s heat were age 85 or older, but the stifling temperatures also killed more than 800 people between the ages of 20 and 44, Konstantinoudis said.

How the death numbers are calculated

The team used an established and accepted scientific method to figure out how many of the 50,000 heat deaths were from natural high summer heat and how many were due to what heat-trapping gases have done to the climate. They ran computer simulations of a world without climate change and compared it to the deaths that happened this summer. The difference is what was caused by global warming.

Pima County Medical Examiner Greg Hess at his office in Tucson, Ariz.

The Undercount: The invisible death toll from climate change

Here’s why an Arizona medical examiner is working to track heat-related deaths

The percentage of heat deaths attributable to global warming has grown from about 45% in the early 2000s to 65% now, Barnes said.

“Summers are getting hotter, and the analytical tools for attributing deaths to heat are getting more accurate,” said Dr. Howard Frumkin, former director of the National Center for Environmental Health in the U.S., who wasn’t part of the study. “Together, these two trends yield increasingly high and increasingly accurate counts of heat-related deaths.”

The scientific team also had to use statistical modeling to come up with the base count of 50,000 heat deaths because those deaths are underreported and often not listed in death certificates, despite being a major factor, Konstantinoudis said. Several outside experts agreed with him, calling the methods state-of-the-art.

The researchers ran a complex mathematical equation that has been used in several previously peer-reviewed studies, Barnes said, which factors in specific age and temperatures for each of the 854 cities based on a localized optimal temperature that coincides with the fewest deaths. When it’s warmer or colder, the equation calculates excess deaths above lowest-death conditions.

Researchers then checked their calculations against real-time estimates from government agencies. Mostly — but not always — they matched fairly well, Konstantinoudis said. The team’s methods for May and June British heat waves calculated 2,700 excess deaths and the United Kingdom health statistics agency said it was 2,800, he said.

Cooling and adapting are needed, but they’re not enough

“We need to prepare for the heat we cannot now avoid, with urgent investments in heat early-warning systems, equitable access to low-carbon cooling, and neighborhood buddy systems that check on and support people most at risk — while rapidly reducing the fossil fuel use driving the crisis,” said Canadian emergency room physician Dr. Courtney Howard, president-elect of the Canadian Medical Association, who wasn’t part of the research.

Surprising political effects of Europe’s heat waves

State of the World from NPR

Surprising political effects of Europe’s heat waves

Adapting is only part of the answer, said Dr. Jonathan Patz of the University of Wisconsin-Madison, who wasn’t part of the research but also praised it.

“We can’t just be mopping up the mess on the floor without thinking about turning the faucet off,” said Patz, a professor of health and the environment. “So we need prevention at different levels. We need better cooling and protecting vulnerable populations from inevitable increased frequency and extreme heat waves. But we also need to go to the root of the problem and absolutely address the burning of fossil fuels.”

U.S. record high minimum and maximum temperatures from October 23.

— Don Sutherland (@donsutherland1.bsky.social) 2026-10-24T10:51:41.595Z

Canadian daily records from October 23, 2026. #Canada

— Don Sutherland (@donsutherland1.bsky.social) 2026-10-24T10:35:23.231Z

U.S. daily precipitation records from October 23, 2026.

— Don Sutherland (@donsutherland1.bsky.social) 2026-10-24T10:56:41.075Z

Prof. @michaelemann.bsky.social is quoted in ABC News on UN projections which show a hotter world than experts projected last year. Mann says these temperature increases would shave about $1.2 trillion from the global economy. @upenn.edu

— Penn Arts & Sciences (@sas.upenn.edu) 2026-10-24T17:06:02.110617058Z

“The proportion of estimated heat deaths attributable to human-induced climate change shows a marked rise over time, increasing from 39% in 2000 to 68% in 2025.”

— Jeff Berardelli (@weatherprof.bsky.social) 2026-10-24T08:50:37.625Z

The Amazon is shifting from carbon sink to carbon source.15 yrs of CO2 data show that fires are the dominant carbon source and now outpace forest uptake. Deforestation is driving the damage, amplified by drought and El Niño. Protecting forests is climate action.www.nature.com/articles/s41…

— Prof Ian Hall (@ianhall.bsky.social) 2026-10-23T10:06:36.389Z

Let’s zoom into the El Niño regions and see how they compare to 1997 (the event of record). This event is not only remarkably ahead, it’s also weighted further east! Big impacts coming to the US and Globe this winter! #elnino

— Jeff Berardelli (@weatherprof.bsky.social) 2026-10-24T16:03:33.312Z

I joined Beth Ruyak on the California Politics Podcast to talk about the science behind, potential effects of, and (but of course!) the politics and public policy surrounding El Niño and other hazard/disaster risks in the Golden State.

— Daniel Swain (@weatherwest.bsky.social) 2026-10-24T17:45:18.000Z

El Niño is everywhere in the headlines, but ultimately human-caused climate change is the key reason for the record global warmth. 📈Curious about how these two climate stories relate? Learn more in our latest report: www.climatecentral.org/climate-matt…

— Zack Labe (@zacklabe.com) 2026-10-23T11:22:19.709Z

Kudos to NBC New York for saying it without equivocation: "The US is to blame for the world falling behind in the fight against climate change."

— Dave Vetter (@davidrvetter.bsky.social) 2026-10-23T07:34:53.703Z

“Worse than climategate”!!!It’s hard for any “scandal” not to be worse than a debunked email hacking and disinfo campaign relying on quote mining scientists' emails to make it seem like they were lying about matters they weren't 🙄 No pattern of skewed presentation here.@michaelemann.bsky.social

— Sam Gregson (@badboyofscience.bsky.social) 2026-10-24T15:38:14.332Z

Attribution is where the rubber really hits the road. So the denialists (led by fossil fuel tools like Roger Pielke Jr) have focused their attacks on it. Writing about it in my forthcoming book “Back to Earth”

— Michael E. Mann (@michaelemann.bsky.social) 2026-10-24T15:47:24.722Z

“Vipond is now a 20-year-old university student studying environmental science at the University of British Columbia. Next week, she will be sitting inside a courtroom in Vancouver telling her story of how extreme weather and climate change have affected her health and quality of life.”#prouddad

— 🇨🇦Joe Vipond🇨🇦 (@jvipondmd.bsky.social) 2026-10-24T15:09:08.992Z

Story from KOAT-TV in ABQ about the northern NM flooding. Amazed this is not getting more national coverage. www.koat.com/article/new-…

— Alan Gerard (@wxmanms1.bsky.social) 2026-10-24T01:12:51.765Z

Historic flooding in Farmington, NM, today.Our KRQE photographer captured this video as the San Juan River reached its highest recorded level, breaking the record from 1909.Dangerous flooding continues downstream toward Shiprock, where river levels will rise tonight. #NMwx

— Grant Tosterud (@granttosterud.bsky.social) 2026-10-24T00:49:55.818Z

The record flood wave continues moving down the San Juan River in NW NM, as the gauge at Shiprock is cresting about 7' above the prior highest level. The damage along the river in CO and NM appears to have been devastating.balancedweather.substack.com/p/record-flo…

— Alan Gerard (@wxmanms1.bsky.social) 2026-10-24T16:23:05.774Z

NWS San Diego has issued new Coastal Flood Warning for near-record/record-breaking tides and possible widespread coastal inundation in SoCal Sun-Thu. And there's no king tides or major storms in the mix yet…just elevated sea levels from extreme El Nino plus long-term warming.

— Daniel Swain (@weatherwest.bsky.social) 2026-10-23T21:32:29.000Z

‼️ Significant Coastal Flooding Florida East Coast starting later Sunday through Wednesday. A prolonged fetch of strong east wind and large waves will batter the #Florida East Coast for days. Unfortunately there is a new moon with exaggerated tides…

— Jeff Berardelli (@weatherprof.bsky.social) 2026-10-24T13:29:58.253Z

There are lots of cirrus and cirrostratus clouds this morning in southern Westchester County.

— Don Sutherland (@donsutherland1.bsky.social) 2026-10-24T14:07:43.924Z

In a little-noticed webpage update, the Environmental Protection Agency has announced a plan to decommission its online web archive at the end of the year, a move that would wipe tens of thousands of publicly available environmental resources from the web.

— Mother Jones (@motherjones.com) 2026-10-24T05:00:05.823783332Z

Peak application of dendrochronology. 10/10, no notes.

— Katharine Hayhoe (@katharinehayhoe.com) 2026-10-24T14:20:57.901Z

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