Tag Archives: Antarctica climate change

EarthTalk: Antarctic Ice Melt

he calving front of the Jakobshavn Glacier in western Greenland, as seen from NASA's P-3B aircraft on April 21, 2012

EarthTalk® is a weekly environmental column made available to our readers from the editors of E/The Environmental Magazine Dear EarthTalk: To what extent is Antarctica really melting and what impact might it have on coastlines around the world? – Andrea Hutchinson, Cary, NC The Antarctic continent, roughly the size of the United States and Mexico combined, is composed of rock covered by glaciers some 16,000 …

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NASA Research Indicates Slow, Irreversible West Antarctic Ice Melt

New research from NASA indicates an unstoppable chain reaction of Antarctic ice melt in the Amundsen sea

Bad news for Antarctic ice, but not particularly surprising to scientists Several news headlines this week have heralded the “unstoppable” decline of a major portion of the West Antarctica ice sheet in the Amundsen Sea, eventually disappearing in as little as two centuries. Projections for the complete collapse of the West Antarctic ice sheet range from two hundred to nearly nine hundred years, but what is clear is that …

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50 Million Year Old Fossil Clams Shed Light on El Nino and Global Warming

One current climate theory suggests that global warming could result in El Nino conditions becoming permanent as opposed to occurring in prevailing two- to seven-year cycles. New research based on a study of a long-lived species of fossilized clam that lived of the coast of Antarctica indicates that was not the case during the early Eocene, when the Earth was as warm as it's been in the last 65 million years.

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