Deforestation of the Amazon is about to reach a threshold beyond which the region's tropical rainforest may undergo irreversible changes that transform the landscape into degraded savanna with sparse, shrubby plant cover ...
Environment
Mar 20, 2018
0
193
For the first time, a dramatic global climate shift has been linked to the impact in Quebec of an asteroid or comet, Dartmouth researchers and their colleagues report in a new study. The cataclysmic event wiped out many of ...
Earth Sciences
Sep 2, 2013
28
0
Rainfall patterns in the Sahara during the 6,000-year "Green Sahara" period have been pinpointed by analyzing marine sediments, according to new research.
Earth Sciences
Jan 18, 2017
3
325
Parts of Portugal and Spain are the driest they have been in a thousand years due to an atmospheric high-pressure system driven by climate change, according to research published Monday, warning of severe implications for ...
Earth Sciences
Jul 4, 2022
1
646
By the end of this century, as climate continues to warm, dry seasons could become longer and more intense in the Amazon region. Droughts could become more commonplace. But the fate of the Amazon forest—home to around 300 ...
Environment
Dec 29, 2015
19
928
New research led by the University of Massachusetts Amherst definitively resolves a long-standing discrepancy in the geologic record that pitted studies of marine ice-sheet behavior against those that reconstructed past conditions ...
Earth Sciences
Feb 14, 2022
3
156
Think it's been unusually windy on the Front Range this spring? You're right.
Environment
May 13, 2022
0
24
Ancient periods of cold and dry climate helped our species replace Neanderthals in Europe, a study suggests.
Archaeology
Aug 27, 2018
3
307
Evidence of forest structure and fires in pre-industrial dry forests—major forests covering ~26 million hectares (64 million acres) of the western U.S.—provides an essential historical baseline. Dry forests are dominated ...
The future of the red-capped manakin and other tropical birds in Panama looks bleak. A University of Illinois research project spanning more than three decades and simulating another five decades analyzes how changes in rainfall ...
Ecology
Jan 3, 2017
9
267
