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This Year’s El Niño Is Huge and Already Changing the World

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By Raymond Zhong and Chico Harlan , The New York Times.  Excerpt: El Niño is the planet’s naturally recurring chaos agent, scrambling weather patterns, spiking global temperatures and typically reaching full strength by December. But this year’s El Niño, which is expected to be record-breaking, is already strong and having big effects, nudging up global temperatures and causing dry spells and crop failures on multiple continents. Parts of Panama, normally one of the wettest countries on Earth, haven’t had a major storm since early May. Ethiopia’s fertile highlands are enduring one of their driest summer stretches in four decades. And India had its fifth-driest June since the country’s modern rain records began in 1901. “This is a good sign that the El Niño response has really kicked in,” said Chris Funk, director of the Climate Hazards Center at the University of California, Santa Barbara. Dr. Funk termed it an “early onset El Niño.” ...Scientists are debating whether human-caused...
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As Europe Faces Another Heat Wave, Travelers Are Forced to Adapt

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By Ryley Ober , The New York Times.  Excerpt: The first half of summer in Europe has featured a grueling series of heat waves and widespread wildfires, which have burned more than 1.3 million acres across the European Union. The Danube and Rhine rivers hit record lows caused by drought from the prolonged heat waves, upending river cruises and forcing operators to cancel or change itineraries with alternative bus transfers and hotel stays. ...Dozens of travelers told The New York Times that the sweltering season in Europe led them to reschedule travel dates, cancel tours of outdoor sites like the Roman Colosseum, leave trips early or plan future summer vacations to more temperate locations like Scandinavia or mountainous regions....  Full article at https://www.nytimes.com/2026/08/12/travel/europe-travel-tourism-wildfires-heat-waves.html . 
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A warming climate is drying out tiny mountain streams that feed the West’s biggest rivers

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By Chris Clements , KNAU News - Arizona Public Radio.  Excerpt: Western rivers like the San Juan and the Colorado are mostly fed by burbling mountain streams, which are themselves fed by groundwater and snowmelt. But a study published on June 5 says those tiny streams are in trouble. The study in the journal Earth's Future says the base amount of water in streams and rivers that doesn’t come from rain, also known as “base flow,” has been steadily declining since 1950, though that trend varies depending on the specific time period. ...The study...predicts that if climate warming continues, by the end of the century, headwater streams could have anywhere from 45% to 65% less base flow to sustain them. ...water levels in Lake Mead reach their lowest point ever . The Colorado River Basin has faced aridification for the last 26 years. Tiny, ephemeral streams like Flagstaff’s Rio de Flag give mighty rivers the juice to flow freely. But they depend on base flow to do that. ...[The Rio de...
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Halted dam releases threaten Colorado River ecosystems

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By Erik Stokstad , Science.  Excerpt: In 2024, the U.S. Bureau of Reclamation (USBR) opened outlets at the base of the Colorado River’s mighty Glen Canyon Dam, unleashing gushers of water in an experiment meant to cool waters downstream. The strategy, called a “cool mix” release, aimed to thwart breeding of invasive smallmouth bass and protect native species. “It was very effective,” says Kevin Bestgen, a fish biologist at Colorado State University. So much so that the release was repeated in 2025. But with the Colorado’s reservoirs at historically low levels, there may be little political will to release water to protect ecosystems. On 6 August, USBR, which operates dams on the river, canceled this year’s cool mix release. In April, the agency had also nixed one of the periodic “controlled floods,” a much larger cascade intended to redistribute sediment and build sandbars that provide habitat for fish. ...The developments are the latest sign of trouble on the river system, which s...
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How Europe can prevent a repeat of this year’s devastating wildfires

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By Ailie McWhinnie , Science.  Excerpt: Last month, France experienced one of the worst wildfires in its history. Just outside of Bordeaux, towering flames bulldozed through forest and shrubland, the intense heat and smoke forming a fire-fueled thundercloud called a pyrocumulonimbus that had never previously been recorded in the country. France is not alone. ...wildfires across Southern Europe has so far this year burned more than half a million hectares...far exceeding the area burned by August 2025, the worst year on record. ...wildfire experts say a greater emphasis on preventative measures is needed to stop this year’s disaster from becoming a regular occurrence. ...climate change has greatly increased the risk. Since the 1980s, the number of “fire weather” days —scorching, dry, breezy days—has more than doubled across much of the region, according to a paper published last month in Scientific Reports . ...it is vital to modify the land to cut back on the accumulation of fuel....
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Government Pulls Funding for the Arctic Report Card

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By Emily Gardner and Grace van Deelen , Eos/AGU.  Excerpt: 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. ... Politico was first to report the news. The absence of federal support means that NOAA will no longer provide the report with coordinating editors nor will the agency fund the report’s web presence, summary video, graphics, publicity, or the coordination of its external peer review, Thoman said. “Coordination of the 2026 Arctic Report Card will not be facilitated through NOAA,” Kim Doster , director of NOAA Communications, wrote in an email statement. “All data historically contributed by NOAA to the product will continue to be collected and will remain publicly available.”...  Full article at https://eos.org/research-and-developments/government-pulls-funding-for-the-arctic-report-card . 
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Many Americans Underestimate Health Risks of Extreme Weather, New Study Finds

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By Rebecca Owen , Eos/AGU.  Excerpt: A changing climate increases the health risks posed by extreme weather. However, according to the 2024 Yale Climate Opinion Maps , only 47% of U.S. survey participants believed that global warming would harm them personally. Poor risk communication can leave affected populations underprepared to face the health dangers that can accompany extreme heat and cold, flooding, wildfire smoke , and severe drought . Manware et al. compared mortality risk estimates with public perception of climate risk to establish “risk perception gaps.” ...The results can be viewed in a publicly available dashboard . ...The percentage of adults who believed that climate change would personally harm them ranged by county from 28.5% to 60.5%, with an average of 37.7%. The gap between perceived and actual risk varied across the country and by hazard, but it was generally smaller in counties where more residents agreed that “global warming is happening.”...  Full a...
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