A team of researchers affiliated with multiple institutions in the U.S. has successfully pulled an ice core from Antarctica's Ong Valley that contains samples of Earth's atmosphere from up to 5 million years ago. In their ...
On the massive sheets of ice that stretch across Greenland and Antarctica, the temperature is so low that not even the summer sun can melt the snow deposited onto them. As the snow accumulates without melting and settles ...
Earth Sciences
Mar 30, 2022
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112
Decades of logging and fire suppression have left California's forests prone to drought, infestation and catastrophic wildfire. Climate change is only exacerbating these impacts. But for thousands of years before, during ...
Ecology
Mar 15, 2022
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108
Roughly 35 million years ago, Earth cooled rapidly. At roughly the same time, the Drake Passage formed between South America and the Antarctic, paving the way for the Antarctic Circumpolar Current. Thanks to these two factors, ...
Earth Sciences
Feb 21, 2022
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298
After the natural warming that followed the last Ice Age, there were repeated periods when masses of icebergs broke off from Antarctica into the Southern Ocean. A new data-model study led by the University of Bonn (Germany) ...
Earth Sciences
Nov 18, 2021
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368
Abrupt changes in ice core samples and other records indicate dramatic changes in climate occurred at certain points in the past.
Earth Sciences
Nov 16, 2021
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144
Europe's past prosperity and failure, driven by climate changes, has been revealed using thousand-year-old pollen, spores and charcoal particles fossilized in glacial ice. This first analysis of microfossils preserved in ...
Earth Sciences
Nov 3, 2021
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82
The regular and predictable ebbing and flooding of the tides may appear to not change, but new research carried out by Bangor University (UK) and Oregon State University (US) and published in the journal Communications Earth ...
Earth Sciences
Aug 18, 2021
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364
The air in the United States and Western Europe is much cleaner than even a decade ago. Low-sulfur oil standards and regulations on power plants have successfully cut sulfate concentrations in the air, reducing the fine particulate ...
Earth Sciences
May 6, 2021
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39
Sea ice cover in the Southern Hemisphere is extremely variable, from summer to winter and from millennium to millennium, according to a University of Maine-led study. Overall, sea ice has been on the rise for about 10,000 ...
Earth Sciences
May 6, 2021
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