They go to paddle between glistening icebergs or ski on blinding white ice, but a rising number of polar tourists get to see something else, too: the monumental changes wrought by global warming.
Nov 26, 2015 in Environment
NASA's Operation IceBridge, an airborne survey of polar ice, recently finalized two overlapping campaigns at both of Earth's poles. Down south, the mission observed a big drop in the height of two glaciers situated in the ...
Nov 24, 2015 in Earth Sciences