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Pace of global warming adds urgency to change

2013-12-06 07:00:00| Climate Ark Climate Change & Global Warming Newsfeed

San Francisco Chronicle: President Obama made another modest attempt to do something about climate change last week by ordering federal agencies to more than double their use of renewable energy by 2020. The operative word is modest. There is no hope of doing something truly transformational to meet the No. 1 challenge of our times in a Republican-controlled House of Representatives, where deference to consumer fear, dubious science and the clout of Big Oil continues to rule the day. The contrast between Washington's...

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Scientific Panel: Global Warming Threatens Society, Warning System Needed

2013-12-05 10:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Time: A scientific panel has called for the creation of an early ecological warning system after finding that global warming threatens a polar sea ice collapse, vast dead zones in the ocean and mass plant and animal extinction, possibly having a dire impact on human life. A report released on Tuesday by the the U.S. National Research Council warns the abrupt effects of climate change will continue and that society needs to be better prepared, the New York Times reports. Among drastic changes that...

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Dangerous Global Warming Closer than You Think, Climate Scientists Say

2013-12-04 12:01:00| Climate Ark Climate Change & Global Warming Newsfeed

Scientific American: Abrupt climate change is not only imminent, it's already here. The rapid dwindling of summer Arctic sea ice has outpaced all scientific projections, which will have impacts on everything from atmospheric circulation to global shipping. And plants, animals and other species are already struggling to keep up with rapid climate shifts, increasing the risk of mass extinction that would rival the end of the dinosaurs. So warns a new report from the U.S. National Research Council. That's exactly why longtime...

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Panel Says Global Warming Risks Sudden, Deep Changes

2013-12-04 01:39:00| Climate Ark Climate Change & Global Warming Newsfeed

New York Times: Continued global warming poses a risk of rapid, drastic changes in some human and natural systems, a scientific panel warned Tuesday, citing the possible collapse of polar sea ice, the potential for a mass extinction of plant and animal life and the threat of immense dead zones in the ocean. At the same time, some worst-case fears about climate change that have entered the popular imagination can be ruled out as unlikely, at least over the next century, the panel found. These include a sudden...

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Safe Limit for Global Warming Is Lowered Dramatically by Experts

2013-12-03 23:06:00| Climate Ark Climate Change & Global Warming Newsfeed

Scientific American: Unless significant, steady reductions in the emissions of carbon dioxide from burning fossil fuels begin extremely soon, the Earth might be much closer to potentially catastrophic warming than is widely believed. So argues climatologist James Hansen of the Columbia University Earth Institute and an international team of colleagues in a new analysis published today in the journal PLOS One. Their paper further underscores other recent studies showing that even small delays in shrinking the industrial...

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