Comparison of rates of surface-elevation change on the Greenland ice sheet
derived from European Remote-sensing Satellite-2 (ERS-2) radar-altimeter
data with those obtained from laser-altimeter data collected over
nearly the same time periods.
Did you know that most of oil pollution in our oceans is the result of human activity on land and not tanker spills? If you notice oil leaking from your car, fix it right away! Never dispose of used oil into a storm drain.
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