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Simon Harrison

NASA measure ice thickness at the North Pole - 1 views

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    › View 1980 image › View 2012 image This interactive illustrates how perennial sea ice has declined from 1980 to 2012. The bright white central mass shows the perennial sea ice while the larger light blue area shows the full extent of the winter sea ice including the average annual sea ice during the months of November, December and January.
Simon Harrison

Northern exposure - 0 views

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    Within four years, Arctic sea-ice cover has twice reached record lows IN THE 16th century English navigators, cut off from the riches of the Indies by the growing Spanish and Portuguese empires, sought to reach Asia by sailin
Simon Harrison

Hidden treasures - 0 views

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    The melting of the Arctic is both a blessing and a curse THE Arctic's glaciers, including those of Greenland's vast ice cap, are retreating (see map above).
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