Greenland Melt Could Expose Hazardous Cold War Waste
An abandoned Cold War-era U.S. military site dug into the ice of Greenland could be exposed, along with its hazardous waste, by global warming-driven melt.
Polar regions
NASA maps thawed areas under Greenland ice sheet
NASA researchers have helped produce the first map showing what parts of the bottom of the massive Greenland Ice Sheet are thawed.