Repeated catastrophic ice discharges from western North America into the North Pacific contributed to, and perhaps triggered, hemispheric-scale changes in the Earth's climate during the last ice age, new research published ...
Earth Sciences
Oct 1, 2020
185
1998
Scientists using data from the Copernicus Sentinel-5P satellite have noticed a strong reduction of ozone concentrations over the Arctic. Unusual atmospheric conditions, including freezing temperatures in the stratosphere, ...
Earth Sciences
Apr 7, 2020
22
762
Abrupt thawing of permafrost will double previous estimates of potential carbon emissions from permafrost thaw in the Arctic, and is already rapidly changing the landscape and ecology of the circumpolar north, a new CU Boulder-led ...
Earth Sciences
Feb 3, 2020
4
7606
Each September, scientists like me look out for the point when the Arctic's meager summer fizzles out and sea ice begins to grow once more. This point is known as the annual sea ice minimum extent. It has declined consistently ...
Environment
Sep 18, 2020
6
446
The Arctic has warmed three times more quickly than the planet as a whole, and faster than previously thought, a report warned on Thursday.
Earth Sciences
May 20, 2021
98
2553
Some 2,200 earthquakes have been recorded in the area around Iceland's capital Reykjavik the past 24 hours, signaling that a volcanic eruption could be imminent, the country's weather office said Wednesday.
Environment
Jul 5, 2023
0
227
One of the most worrisome aspects of climate change is the role played by positive feedback mechanisms. In addition to global temperatures rising because of increased carbon dioxide and greenhouse gas emissions, there is ...
Earth Sciences
Feb 24, 2017
7
414
Missing Arctic temperature data, not Mother Nature, created the seeming slowdown of global warming from 1998 to 2012, according to a new study in the journal Nature Climate Change.
Environment
Nov 20, 2017
76
1256
A previously unknown significant source of carbon just discovered in the Arctic has scientists marveling at a once overlooked contributor to local coastal ecosystems—and concerned about what it may mean in an era of climate ...
Earth Sciences
Mar 20, 2020
11
1163
For years, scientists have pointed to warming permafrost in the Arctic tundra as a source for increased carbon in the atmosphere; as this soil warms, it releases greenhouse gases that have long been trapped in frozen ground.
Environment
Jul 3, 2019
0
2
