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Study links warmer water temperatures to greater levels of mercury in fish
2013-10-14 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Washington Post: Under the watchful eyes of scientists, a little forage fish that lives off the southern coast of Maine developed a strangely large appetite. Killifish are not usually big eaters. But in warmer waters, at temperatures projected for the future by climate scientists, their metabolism and their appetites go up, which is not a good thing if there are toxins in their food. In a lab experiment, researchers adjusted temperatures in tanks, tainted the killifishs food with traces of methylmercury and...
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By 2047, coldest years may be warmer than hottest in past, scientists say
2013-10-10 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
New York Times: If greenhouse emissions continue their steady escalation, temperatures across most of the earth will rise to levels with no recorded precedent by the middle of this century, researchers said Wednesday. Scientists from the University of Hawaii at Manoa calculated that by 2047, plus or minus five years, the average temperatures in each year will be hotter across most parts of the planet than they had been at those locations in any year between 1860 and 2005. To put it another way, for a given geographic...
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Warmer seas may raise mercury in fish
2013-10-06 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Climate News Network: Scientists in the US say they have found evidence suggesting that warmer sea surface temperatures may increase the ability of fish to accumulate mercury. This could present a risk to the health of some consumers of seafood as the mercury rises up the marine food chain. The scientists, based at Dartmouth College, New Hampshire, report their research in the journal PLOS ONE (Public Library of Science ONE). Until now science has known little about how global warming may affect mercury accumulation...
Ireland set for warmer, drier summers and wetter winters
2013-09-27 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Irish Times: Ireland will become a balmier place as a result of climate change but the summertime benefits will come at a cost. The warmer, drier summers will be followed by wetter autumns and winters with floods an almost certainty, according to new climate research released last night. International effortMet Éireann co-ordinated a major international study looking specifically at how climate change would alter the picture here. It draws on its own data sets collected over decades but also on expertise available...
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Warmer Ocean Water Is Key Factor in Melting Ice Shelves, Study Says
2013-09-13 19:01:00| Climate Ark Climate Change & Global Warming Newsfeed
Yale Environment 360: Recent research into one of West Antarctica's most rapidly melting glaciers and ice shelves has shown that rising ocean temperatures and a series of channels lacing the underside of the shelf are the key factors in the rapid thinning of the shelf and the swift advance of the glacier behind it. Reporting in NASA Edge of Pine Island ice sheet Science, U.S. scientists said that instruments deployed on and under the Pine Island Glacier and ice shelf over the past two years have shown that warmer ocean...
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