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
Atmospheric carbon dioxide (CO2) is one of the most important greenhouse gases and the increase of its abundance in the atmosphere by fossil fuel burning is the main cause of future global warming. In past times, during the ...
Earth Sciences
Nov 20, 2011
14
0
(PhysOrg.com) -- California's western Sierra Nevada had more frequent fires between 800 and 1300 than at any time in the past 3,000 years, according to a new study led by Thomas W. Swetnam, director of UA's Laboratory of ...
Environment
Mar 17, 2010
22
1
(PhysOrg.com) -- A new study of Antarctica's past climate reveals that temperatures during the warm periods between ice ages (interglacials) may have been higher than previously thought. The latest analysis of ice core records ...
Earth Sciences
Nov 18, 2009
31
0
Using a 218-year-long temperature record from a Bermuda brain coral, researchers at the Woods Hole Oceanographic Institution (WHOI) have created the first marine-based reconstruction showing the long-term behavior of one ...
Earth Sciences
Jan 13, 2009
32
0
During ice ages, dry, frozen terrain extended over much of northern Europe, Asia and North America. Many plants and animals retreated from these desolate, harsh landscapes and sought refuge in pockets of more hospitable territory.
Earth Sciences
Feb 8, 2024
0
40
As part of the "VeWA" research consortium, researchers from the Senckenberg Biodiversity and Climate Research Center, along with international colleagues, have investigated the precipitation and flora of Central Asia during ...
Earth Sciences
Jan 29, 2024
0
11
As the world faces the challenges of present-day climate change, scientific inquiry is, among other objectives, exploring how human societies navigate environmental variations at large. Investigating the past provides valuable ...
Archaeology
Dec 8, 2023
0
74
The global climate is changing and the Arctic is warming rapidly. These are objectively true statements that most people have come to accept.
Ecology
Sep 1, 2023
0
60
Two miles below the ocean surface off Monterey, California, warm water percolates from the seafloor at the base of an underwater mountain. It's a magical place, especially if you're an octopus.
Plants & Animals
Aug 26, 2023
0
77
