Nearly 2 trillion tons of ice gone, NASA says
środa, grudzień 17th, 2008Between 1.5 trillion and 2 trillion tons of ice in Greenland, Antarctica and Alaska has melted at an accelerating rate since 2003, according to NASA scientists, in the latest signs of what they say is global warming. Geophysicist Scott Luthcke concluded that the losses amounted to enough water to fill the Chesapeake Bay 21 times.
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