By piecing together decades of satellite observations, NASA scientists have discovered that Antarctica is losing its ice due to environmental change.

Antarctica has lost twice as much ice to melting in recent years as was previously believed.

With the help of data gathered by a number of satellite missions since the 1980s, NASA has categorized the changes to Antarctica's

shifting ice shelves and inland ice sheets. Every one of these missions has uncovered more about the effects of environmental

everything needed to form a fuller picture of the developments that have occurred after some

at NASA's Jet Propulsion Laboratory (JPL). Greene is the lead creator of one of the two new examinations, where he and his

studies, where he and his colleagues check out the icebergs breaking off from Antarctica's drifting ice shelves as they fall to the ground.