Perched next to a river near a glacier's edge in Greenland, Penn biogeochemist Jon Hawkings and Jack Murphy, senior research coordinator in Hawkings' lab, scooped up samples of frigid meltwater, careful to seal the bottles ...
Environment
Feb 14, 2023
0
60
In Antarctica, the second drilling campaign of the Beyond EPICA—Oldest Ice project, at the remote field site Little Dome C, has been successfully completed. This project is an unprecedented challenge for paleoclimatology ...
Earth Sciences
Feb 1, 2023
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47
In December 1972, NASA's final Apollo mission (Apollo 17) took the iconic "Blue Marble" photo of the whole Earth. Many, including science fiction writer Arthur C. Clarke, had expected that the sight of Earth from afar would ...
Planetary Sciences
Jan 31, 2023
0
28
The runaway collapse of the West Antarctic Ice Sheet—which would trigger catastrophic sea level rise—is not "inevitable", scientists said Monday following research that tracked the region's recent response to climate ...
Environment
Jan 22, 2023
2
7
New research finds that ice-sheet-wide collapse in West Antarctica isn't inevitable: the pace of ice loss varies according to regional differences in atmosphere and ocean circulation.
Earth Sciences
Jan 16, 2023
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79
An international team of climate scientists has found evidence suggesting that deforestation in the Amazon rainforest is influencing weather in Tibet, more than 15,000 kilometers away. In their paper published in the journal ...
Temporarily overshooting the climate targets of 1.5–2 degrees Celsius could increase the tipping risk of several Earth system elements by more than 70% compared to keeping global warming in line with the United Nations ...
Environment
Dec 22, 2022
0
41
The US economist William Nordhaus claimed as early as the 1970s, when scientific understanding of climate change was still taking shape, that warming of more than 2°C would "push global conditions past any point that any ...
Environment
Dec 15, 2022
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3
While the world focuses on limiting the rise in global temperature to 1.5 or 2 degrees Celsius over the preindustrial average, increasing meltwater from ice sheets presents an existential threat to the viability of island ...
Earth Sciences
Dec 13, 2022
21
87
The cold, dense water circulating under Antarctica's Filchner-Ronne Ice Shelf (FRIS) keeps under-ice melting there to a minimum, helping the ice shelf act as a regulating force against the Antarctic Ice Sheet's contribution ...
Earth Sciences
Dec 6, 2022
0
21
