75% of Amazon rainforest shows signs of loss, a 'tipping point' of dieback, study shows
The Amazon rainforest may be nearing a "tipping point" of dieback, the point where rainforest will turn to savanna, a new study shows.
The Amazon rainforest may be nearing a "tipping point" of dieback, the point where rainforest will turn to savanna, a new study shows.
Environment
Mar 7, 2022
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19
In 2019, the National Weather Service in Alaska reported spotting the first-known lightning strikes within 300 miles of the North Pole. Lightning strikes are almost unheard of above the Arctic Circle, but scientists led by ...
Earth Sciences
Apr 5, 2021
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New research, led by the University of Massachusetts Amherst reveals, for the first time, not only that the coastal Northeast—from Maine to Delaware—is heating faster than most regions of North America, but that this ...
Earth Sciences
Sep 23, 2021
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86
A punishing mix of heat and humidity that makes outdoor labor difficult and dangerous is causing around 677 billion lost working hours a year around the world, according to a new study Thursday that warns climate change is ...
Environment
Jan 13, 2022
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44
In the study of human impact on the environment, there are few negative or stabilizing feedbacks on climate change.
Earth Sciences
Feb 2, 2023
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39
Alaska is on the front lines of climate change, experiencing some of the fastest rates of warming of any place in the world. And when temperatures rise in the state's interior—a vast high-latitude region spanning 113 million ...
Ecology
Jan 3, 2024
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67
According to scientists, 71 of the 162 ice shelves that surround Antarctica have reduced in volume over 25 years from 1997 to 2021, with a net release of 7.5 trillion metric tons of meltwater into the oceans. The work is ...
Earth Sciences
Oct 12, 2023
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234
The heat wave that hammered western North America in late June and early July 2021 was not just any midsummer event. Over nine days, from British Columbia through Washington and Oregon and beyond, it exceeded average regional ...
Environment
Nov 24, 2022
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98
Coastal ecosystems can absorb or emit the three main greenhouse gases: carbon dioxide, methane and nitrous oxide.
Environment
May 27, 2023
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11
Though climate change is becoming one of the greatest threats to the Earth's already stressed ecosystems, it may not be the most severe threat today for all species, say authors of a new report on the effects of deforestation ...
Environment
Dec 23, 2019
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149