Greenland's melting ice sheet may be turning the island into a global hotspot for an essential ocean nutrient.
Aerial photographs of Greenland's Ryder Glacier are pretty strange. Continue reading →
Climate change blamed for breakdown of currents that circulate heat, nutrients through the Atlantic.
This week: a salute to the platypus, a fire burns for 5,000 years, and a town in Argentina sinks -- then reappears.
Melting glaciers pose another threat beyond sea level rise. They will dump massive amounts of organic carbon into the world's oceans, altering ecosystems.
The discovery of two lakes hidden beneath the Greenland ice suggests that climate change cuts to the bottom of the ice sheet.
Greenland didn't always have glaciers, reports a new study that pins the region's ice-cold features on plate tectonics and a shift in the Earth's tilt.
It's not only glaciers that are sending water rushing into the sea; surface sea ice is contributing more and more meltwater.
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