'Drastic' shrinkage in Arctic ice
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A Nasa satellite records major changes to ice coverage in the Arctic Ocean between 2004 and 2005.
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Arctic regions are warming twice as fast as the rest of the world - a trend marked by melting glaciers, shrinking sea ice and climatic changes that are turning solid ground into swamps, exposing coastal villages to erosion and threatening wildlife.
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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.
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Glaciers in Antarctica are thinning faster than they did in the 1990s and researchers have discovered an unexpected folded section deep beneath the ice cap, findings that may indicate the ice is less stable than had been thought.
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PARIS - 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.
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WASHINGTON - Glaciers in Antarctica are thinning faster than they did in the 1990s and researchers have discovered an unexpected folded section deep beneath the ice cap, findings that may indicate the ice is less stable than had been thought.
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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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The collapse of two Antarctic ice shelves is offering scientists a glimpse of rarely seen species&#8212;and at how pristine ocean ecosystems respond to sudden change.&#149; See photos >>
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NEW YORK The first thorough assessment of a decades-long Arctic warming trend shows the region is undergoing profound changes, including sharp retreats of glaciers and sea ice, thawing of permafrost, and shifts in ocean and atmospheric conditions that are
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Greenhouse gases have contributed to a gradual warming of the ecologically-fragile Arctic region, causing massive climate changes, including melting glaciers and sea ice, according to a soon-to-be-released environmental study.
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A gaping hole in the ozone layer over Antarctica appears to have shrunk by about 20 percent from last year&#39;s record-breaking size, New Zealand scientists said on Friday.
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Sediments extracted from the Antarctic sea floor show the world's largest ice shelf has disintegrated and reappeared many times in the past.
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Mountain glaciers, which act as the world's water towers, are shrinking at ever faster rates, threatening the livelihoods of millions of people and the future of countless species, a scientist said Thursday.
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As scientists meet for crucial climate talks in Paris, data shows glaciers are shrinking ever faster, scientists say.
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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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The first thorough assessment of a decadeslong Arctic warming trend shows the region is undergoing profound changes, including sharp retreats of glaciers and sea ice, thawing of permafrost
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Antarctic glaciers are thinning and slipping ever faster into the sea, according to several new studies. Warmer air and sea temperatures are blamed, and the changes are expected to cause an appreciable rise in sea levels.