(PhysOrg.com) -- Abrupt average temperature changes of as much as 4 or 5 degrees Celsius over a few decades may have profoundly affected human civilization for cultures that occupied western Greenland over the past 5,000 ...
Earth Sciences
Jun 1, 2011
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Scientists from Queen's and Carleton universities head a national multidisciplinary research team that has uncovered startling new evidence of the destructive impact of global climate change on North America's largest Arctic ...
Environment
May 16, 2011
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How severe can climate change become in a warming world? Worse than anything we've seen in written history, according to results of a study appearing this week in the journal Science.
Earth Sciences
Feb 24, 2011
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(PhysOrg.com) -- Analyzing the isotope ratios of ancient raindrops preserved in soils and lake sediments, Stanford researchers have shown that a wave of mountain building began in British Columbia, Canada about 49 million ...
Earth Sciences
Dec 17, 2010
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Wildfires may seem like a fixed and unchanging force of nature. They're not. Over long time scales, research has shown that both the climate and humans have a profound effect on wildfire activity around the globe. Now new ...
Environment
Oct 28, 2010
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Much organically bound carbon is deposited on inland lake bottoms. A portion remains in the sediment, sometimes for thousands of years, while the rest is largely broken down to carbon dioxide and methane, which are released ...
Earth Sciences
Jul 21, 2010
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Even before the dawn of agriculture, people may have caused the planet to warm up, a new study suggests.
Earth Sciences
Jun 30, 2010
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(PhysOrg.com) -- This Envisat image features a smoke-free Iceland. Although the island has received a lot of attention in the past months for its volcanic activity, it is also home to numerous glaciers, lakes, lava and hot ...
Earth Sciences
Jun 4, 2010
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Specific dioxins derived from the antibacterial agent triclosan, used in many hand soaps, deodorants, dishwashing liquids and other consumer products, account for an increasing proportion of total dioxins in Mississippi River ...
Environment
May 18, 2010
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At the end of the last interglacial epoch, around 115,000 years ago, there were significant climate fluctuations. In Central and Eastern Europe, the slow transition from the Eemian Interglacial to the Weichselian Glacial ...
Earth Sciences
Mar 2, 2010
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