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Amazon lakes became ‘simmering basins’ as temperatures spiked to 105 degrees — above recommended limits for hot tubs

Amazon lakes warmed by 0.6°C per decade, reaching 41°C in 2023, causing mass die-offs of endangered dolphins and disrupting thousands of river community residents.

Summary by KIFI
By Laura Paddison, CNN (CNN) — Lakes in the Amazon became hotter than the maximum temperature recommended for hot tubs as unprecedented heat and drought in 2023 turned them into “shallow, simmering basins,” according to a new study — and it proved a death sentence for endangered dolphins. The world’s lakes are considered sentinels of climate change and are warming dramatically as global temperatures rise. Research, however, has tended to focus o…

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A new study reveals that during the unprecedented heat wave and drought that were experienced in 2023, the lakes of the central Amazon suffered an excessive increase in temperatures. A good example of this is Lake Tefé, where the thermometers reached 41 °C. 5 of the 10 lakes analyzed by the study carried out by an international team of researchers suffered daytime temperatures that exceeded 37 °C and one of them reached 41 °C, which had dire con…

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Water ecosystems around the world are warming up, and Amazonia has not been alien to this phenomenon. In recent years, rivers and lakes in the largest tropical forest on the planet have recorded unprecedented heat levels, as a symptom of global warming that is transforming the tropics. In 2023, a drought and an extreme heat wave raised the temperature of the waters to levels never recorded: up to 41 degrees, according to a study published this T…

·Spain
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Amazon lakes became ‘simmering basins’ as temperatures spiked to 105 degrees

A heatwave made lakes in the Amazon hotter than the maximum temperature recommended for hot tubs — a death sentence for endangered dolphins, according to a new study.

·Atlanta, United States
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Amazonian lakes have reached temperatures during the last droughts even above 41°C. They have become real ‘spas’, in the words of scientists who have monitored the water temperature. Consequently, hundreds of pink dolphins, an emblematic species in extinction, were killed, and entire fish stocks have disappeared. Continue reading...

·Granada, Spain
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CNN broke the news in Atlanta, United States on Thursday, November 6, 2025.
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