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Centuries of melting already locked in for polar ice, scientists say

2015-12-18 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed

InsideClimate: The melting of polar ice sheets and mountain glaciers will likely continue for thousands of years, causing irreversible sea level rise, even if global warming is limited to 2 degrees Celsius, according to a new report published last week during the climate negotiations in Paris. Sea levels could rise 13 to 33 feet or more unless far more ambitious steps are quickly taken to reduce greenhouse gas emissions, according to the report issued by the International Cryosphere Climate Initiative, a nonprofit...

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Greenland has lost a staggering amount of ice and its only getting worse

2015-12-17 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Washington Post: A massive new study by 16 authors has calculated just how much ice the Greenland ice sheet has lost since the year 1900. And the number, says the paper just out in the journal Nature, is astounding: 9,103 gigatons (a gigaton is a billion metric tons). Thats over 9 trillion tons in total. And moreover, the rate of loss has been increasing, the research finds, with a doubling of annual loss in the period 2003 to 2010 compared with what it was throughout the 20th century. The study was led by...

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Greenland Ice Sheet during the 20th Century -- a missing link in IPCC's climate report

2015-12-17 06:01:00| Climate Ark Climate Change & Global Warming Newsfeed

ScienceDaily: For the first time, climate researchers from the Centre for GeoGenetics at the Natural History Museum of Denmark, together with a national and an International team of researchers, have pubished in the scientific journal Nature their direct observations of the reduction and melting of the Greenland Ice Sheet during the latest 110 years. All previous estimations have been based on computer models, which although valuable do not provide the same level of insight as direct observations. In this paper,...

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