In Greenland, Ice and Instability
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A scientific scramble is under way to clarify whether the erosion of the worldâs most vulnerable ice sheets can continue to accelerate.
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An accelerating thaw of the Arctic may open vast regions for oil and gas exploration but that brings worries of spills in the fragile environment, experts said Thursday.
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Global warming (news - web sites) is heating the Arctic almost twice as fast as the rest of the planet in a thaw that threatens the livelihoods
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There's more to the recent dramatic and alarming thawing of the Arctic region than can be explained by man-made global warming alone, a new study found. Nature is pushing the Arctic to the edge, too.
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PARIS -- Children in Norway plead for snow. Polar researchers describe melting glaciers. Some experts say that within this century, the Arctic may no longer be ice-locked.
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Arctic sea ice in winter is melting far faster than before, two new NASA studies reported Wednesday, a new and alarming trend that researchers say threatens the ocean's delicate ecosystem.
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NASA scientists reported that higher temperatures and a retreat of the sea ice over the last two winters offered new evidence that the gases were influencing the ArcticÂs climate.
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Tiny channels in the Arctic ice support creatures that play a crucial role in climate-affected ecosystems.
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Early in 2002, this website published an  excellent article  which documented the activity among the various ice shelves on the perimeter of the Antarctic.  At that time, there had recently been several significant calving events, rendering vast, floating islands of ice.  Also discussed was the complete collapse, in 1999, of an ice shelf known as   Larsen B,  which was formerly the largest ice shelf on the Antarctic peninsula - the northernmost and warmest part of the continent.  The disintegration of the Larsen B shelf was called a "profound event", because it was thought to be stable.  Fortunately, when massive icebergs are calved from ice-shelves, and even when they collapse and disintegrate completely, there is no resulting rise in sea level.   It turns out though, that these same ice shelves serve a surprisingly important role in "holding back" the glaciers and land-locked ice on Antarctica which, if released into the ocean, would raise the world's sea level an estimated 20 feet (7m).      Now it's    much clearer just how important that role is.
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A complex network of rivers and reservoirs beneath the Antarctic Ice sheet is mapped by US scientists.
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Ice-covered Greenland really was green a half-million or so years ago, covered with forests in a climate much like that of Sweden and eastern Canada today.
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The weight of evidence to suggest that some Antarctic glaciers are melting at an increasing pace continues to build. The West Antarctic Ice Sheet (WAIS) has been melting naturally
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Global warming is heating the Arctic almost twice as fast as the rest of the planet in a thaw that threatens millions of livelihoods and could wipe
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ILULISSAT, Greenland  - Atop Greenland's Suicide Cliff, from where old Inuit women used to hurl themselves when they felt they had become a burden to their community, a crack and a thud like thunder pierce the air.
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JAKOBSHAVN GLACIER, Greenland If Manhattan floods, it may start here, on an ice field that stretches in frozen silence to every horizon.
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For 5,000 years, great tongues of ice have spread over the 3-mile-high slopes of Puncak Jaya, in the remotest reaches of this remote tropical island. Now those glaciers are melting, and Lonnie Thompson must get there before they're gone.
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PARIS, Sept. 15 -- Arctic ice has shrunk to the lowest level on record, new satellite images show, raising the possibility that the Northwest Passage that eluded famous explorers will become an open shipping lane.