For scientists studying summer sea ice in the Arctic, it's not a question of "if" there will be nearly ice-free summers, but "when." And two scientists say that "when" is sooner than many thought—before 2050 and possibly ...
Earth Sciences
Apr 15, 2013
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The remarkable diversity of California's plant life is largely the result of low extinction rates over the past 45 million years, according to a new study published in the journal Evolution. Although many new species have ...
Evolution
Jan 9, 2013
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(Phys.org)—Research carried out at the University of Sheffield has revealed intriguing parallels between modern day and Bronze-Age Syria as the Mesopotamian region underwent urban decline, government collapse, and drought.
Archaeology
Dec 18, 2012
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We're not used to thinking of ourselves as animals. But as Jason Samson sees it, climate is as important in shaping the distribution and movement of humans as it is in other animals. The McGill-trained ecologist and fellow ...
Environment
Oct 25, 2012
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Sudden shifts in complex systems such as the climate, financial markets, ecosystems and even the human body can be preceded by surprisingly comparable warning signals. It is crucial to be able to predict such transitions, ...
Mathematics
Oct 22, 2012
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(Phys.org)—Reports of declining ice coverage and drowning polar bears in the Arctic illustrate dramatic ecosystem responses to global climate change in Earth's polar regions. But in this first-ever account of a long-term ...
Earth Sciences
Oct 17, 2012
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(AP) -- Global warming is leading to such severe storms, droughts and heat waves that nations should prepare for an unprecedented onslaught of deadly and costly weather disasters, an international panel of climate scientists ...
Environment
Mar 28, 2012
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(PhysOrg.com) -- Vegetation around the world is on the move, and climate change is the culprit, according to a new analysis of global vegetation shifts led by a University of California, Berkeley, ecologist in collaboration ...
Environment
Jun 4, 2010
8
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(PhysOrg.com) -- As Congress and the White House explore ways to encourage Americans to conserve energy, a new study by the University of Michigan shows that the average individual energy demand for heating and cooling has ...
Earth Sciences
Sep 8, 2009
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The world faces a growing risk of "abrupt and irreversible climatic shifts" as fallout from global warming hits faster than expected, according to research by international scientists released Thursday.
Environment
Jun 18, 2009
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