Coastal villages are washing into the Bering Sea, trees are sprouting in the tundra and shipping lanes are opening in an ocean that was once locked in ice. In Alaska, climate change isn't a distant or abstract concern.
Environment
Oct 22, 2018
3
415
Human activities have already pushed the Earth system beyond three of the planet's biophysical thresholds, with consequences that are detrimental or even catastrophic for large parts of the world; six others may well be crossed ...
Environment
Sep 23, 2009
15
0
The evidence is overwhelming: climate change is here, and with it come catastrophes, soaring costs, migration and now, in the face of reality, human adaptation. Across the globe, people are learning to live with a climate ...
Earth Sciences
Jan 18, 2022
5
107
Out of the estimated 23,000 or more genes in the human genome, about 100 of them will differ—they will be present or not—between any two individuals. Genes lost or gained over time result from evolution and adaptation, ...
Biotechnology
Aug 9, 2013
0
0
How fast is evolution? In adaptive evolution, natural selection causes genetic changes in traits that favor the survival and reproduction of individual organisms.
Evolution
May 27, 2022
0
36
A new study challenges the orthodoxy of microbiology that in response to environmental changes, bacterial genes will boost production of needed proteins and decrease production of those that aren't. Researchers with the U.S. ...
Cell & Microbiology
Jun 19, 2013
0
0
Most scientists agree modern humans developed in Africa, more than 200,000 years ago, and that a great human diaspora across much of the rest of the world occurred between perhaps 60,000 and 50,000 years ago.
Evolution
May 24, 2023
0
510
(Phys.org)—Aside from rising sea levels, many climate change models predict that in the future, the planet's temperature and weather will become increasingly erratic with wild, unpredictable storms and fluctuating conditions. ...
Evolution
Feb 1, 2013
0
0
More gradual environmental change slows down evolution, but does not lead to a higher degree of adaptation of organisms to their environment, conclude Wageningen University scientists in their study published in The American ...
Ecology
Jan 7, 2016
0
7
Much has been written about our incredible psychological ability to ignore or gloss over the threat of climate change. According to Irina Bokova, director general of UNESCO, "the gap between what we know about the interconnectedness ...
Environment
May 9, 2017
28
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