Worldwide levels of the greenhouse gas that plays the biggest role in global warming have reached their highest level in almost 2 million years—an amount never before encountered by humans, U.S. scientists ...
May 10, 2013
3.9 / 5 (55)
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A comprehensive analysis of peer-reviewed articles on the topic of global warming and climate change has revealed an overwhelming consensus among scientists that recent warming is human-caused.
May 15, 2013
3.9 / 5 (45)
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Earth was cooling until the end of the 19th century and a hundred years later, the planet's surface was on average warmer than at any time in the previous 1,400 years, according to climate records presented ...
Apr 21, 2013
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A global warming "pause" over the past decade may invalidate the harshest climate change predictions for the next 50 to 100 years, a study said Sunday—though levels remain in the danger zone.
May 19, 2013
3.8 / 5 (31)
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A study of sediment cores collected from the deep ocean supports a new explanation for how glacier melting at the end of the ice ages led to the release of carbon dioxide from the ocean.
May 01, 2013
4.5 / 5 (23)
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The UN's climate chief called for urgency Monday as she opened a new round of global talks amid warnings that Earth-warming carbon dioxide levels were approaching a symbolic threshold never seen in human ...
Apr 29, 2013
3.5 / 5 (29)
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(Phys.org) —For the first time in human history, concentrations of the greenhouse gas carbon dioxide (CO2) could rise above 400 parts per million (ppm) for sustained lengths of time throughout much of the Northern Hemisphere ...
Apr 24, 2013
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51
Most species of gigantic animals that once roamed Australia had disappeared by the time people arrived, a major review of the available evidence has concluded.
May 06, 2013
4.6 / 5 (20)
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(Phys.org) —The Earth's atmospheric concentration of carbon dioxide (CO2) is about to rise to 400 parts per million (ppm) for the first time in five million years, a scientist at The University of Queensland warned today.
May 03, 2013
4.7 / 5 (18)
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(Phys.org) —Researchers have solved the riddle of how one of Africa's greatest civilisations survived a catastrophic drought which wiped out other famous dynasties. Geomorphologists and dating specialists from The Universities ...
Apr 29, 2013
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It's difficult to imagine how a degree or two of warming will affect a location. Will it rain less? What will happen to the area's vegetation? New Berkeley Lab research offers a way to envision a warmer future. It maps how ...
May 05, 2013
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U.S. residents who believe in the scientific consensus on global warming are more likely to support government action to curb emissions, regardless of whether they are Republican or Democrat, according to a study led by a ...
Apr 29, 2013
3.5 / 5 (19)
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Analyses of the longest continental sediment core ever collected in the Arctic, recently completed by an international team led by Julie Brigham-Grette of the University of Massachusetts Amherst, provide ...
May 09, 2013
3.9 / 5 (16)
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While 99 percent of Earth's land ice is locked up in the Greenland and Antarctic ice sheets, the remaining ice in the world's glaciers contributed just as much to sea rise as the two ice sheets combined from ...
May 16, 2013
3.5 / 5 (15)
2
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(Phys.org) —The discovery pushes back the roots of agriculture in China by 12,000 years. The global emergence of similar practices around 23,000 years ago hints that agriculture evolved independently around ...
May 03, 2013
4.6 / 5 (11)
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