Satellite imagery shows that the area covered by kelp forests off the coast of Northern California has dropped by more than 95 percent, with just a few small, isolated patches of bull kelp remaining. Species-rich kelp forests ...
Ecology
Mar 5, 2021
1
7455
Erosion of the frozen soil of Arctic regions, known as permafrost, is creating large areas of subsidence, which has catastrophic impact in these regions sensitive to climate change. As the mechanisms behind these geological ...
Earth Sciences
Dec 8, 2020
0
6
How much climate change is natural? How much is man-made?
Environment
Sep 18, 2019
21
37
Scientists are among the millions of die-hard Game of Thrones fans digesting the show's finale today.
Earth Sciences
May 20, 2019
0
22
We are living through a period of unprecedented environmental breakdown which is increasingly being referred to as "the Anthropocene". As the term becomes more and more pervasive, I want to explain why, as a psychologist ...
Earth Sciences
Mar 12, 2019
1
10
Evidence that catastrophic geological events could have created evolutionary bottlenecks that changed the course of life on Earth may be buried within ancient rocks beneath our feet.
Astronomy
Oct 16, 2018
0
216
A 2-billion-year-old chunk of sea salt provides new evidence for the transformation of Earth's atmosphere into an oxygenated environment capable of supporting life as we know it.
Earth Sciences
Mar 22, 2018
3
378
The massive Kaskawulsh Glacier in northern Canada has retreated about a mile up its valley over the past century.
Environment
Apr 17, 2017
0
252
Several Palaeozoic mass extinction events during the Ordovician and Silurian periods (ca. 485 to 420 to million years ago) shaped the evolution of life on our planet. Although some of these short-lived, periodic events were ...
Earth Sciences
Aug 25, 2015
0
53
(Phys.org)—The Permian geologic period that ended the Paleozoic era climaxed around 252 million years ago with a sweeping global mass extinction event in which 90 to 95 percent of marine life became extinct. It would take ...
