Antarctica sea ice melts to a record low

The Antarctic Ocean area covered by ice has shrunk to a record low, exposing the thicker ice shelves buttressing Antarctica's ground ice sheet to waves and warmer temperatures, scientists reported Thursday.

Mountain melt shutters classic Alpine routes

Little snow cover and glaciers melting at an alarming rate amid Europe's sweltering heatwaves have put some of the most classic Alpine hiking routes off-limits.

Warming world creates hazard for Alpine glaciers

Italy was enduring a prolonged heat wave before a massive piece of Alpine glacier broke off and killed hikers on Sunday and experts say climate change will make those hot, destabilizing conditions more common.

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