A decline in atmospheric carbon dioxide (CO2) levels led to a fundamental shift in the behaviour of the Earth's climate system around one million years ago, according to new research led by the University of Southampton.
Earth Sciences
Nov 27, 2017
3
169
Ice ages and warm periods have alternated fairly regularly in the Earth's history: the Earth's climate cools roughly every 100,000 years, with vast areas of North America, Europe and Asia being buried under thick ice sheets. ...
Earth Sciences
Aug 7, 2013
47
21
A new analysis of archaeological sites in the Americas challenges relatively new theories that the earliest human inhabitants of North America arrived before the migration of people from Asia across the Bering Strait.
Archaeology
Apr 20, 2022
7
848
Targeted geoengineering to preserve continental ice sheets deserves serious research and investment, argues an international team of researchers in a Comment published March 14 in the journal Nature. Without intervention, ...
Earth Sciences
Mar 19, 2018
36
70
New research published in Science shows that climate warming reduced the mass of the Cordilleran Ice Sheet by half in as little as 500 years, indicating the Greenland Ice Sheet could have a similar fate.
Earth Sciences
Nov 10, 2017
7
302
Totten Glacier, the largest glacier in East Antarctica, is being melted from below by warm water that reaches the ice when winds over the ocean are strong—a cause for concern because the glacier holds more than 11 feet ...
Earth Sciences
Nov 1, 2017
1
122
In a new study that provides clues about how Antarctica's nation-sized Ross Ice Shelf might respond to a warming climate, U.S. and Japanese oceanographers have shown that a 100,000-square-mile section of the ice shelf broke ...
Earth Sciences
Feb 18, 2016
14
78
An international team of scientists has found a dramatic ice sheet collapse at the end of the ice age before last caused widespread climate changes and led to a peak in the sea level well above its present height.
Earth Sciences
Jun 10, 2015
17
1057
Scientists at the Universities of Southampton and Cardiff have discovered that a globally warm period in Earth's geological past featured highly variable levels of CO2.
Earth Sciences
Oct 14, 2014
111
1
The first humans who ventured into North America crossed a land bridge from Asia that is now submerged beneath the Bering Sea, and then may have traveled down the West Coast to occupy sites in Oregon and elsewhere as long ...
Archaeology
Aug 27, 2014
8
0
