NASA shows tons of land ice melted
Times Staff and Wire Reports
More than 2 trillion tons of land ice in Greenland, Antarctica and Alaska have melted since 2003, according to new NASA satellite data that show the latest signs of what scientists say is global warming.
More than half of the loss of landlocked ice in the last five years has occurred in Greenland, based on satellite measurements of ice weight, said NASA geophysicist Scott Luthcke.
The findings were presented Thursday at the American Geophysical Union conference in San Francisco.
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