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News Stories relating to "antarctic"

Arctic Ice at 2nd Lowest Level on Record, Allowing Clear Navigation to the North Pole

Despite a cool, cloudy summer, the ice levels in the Arctic have shrunk enough to tie with the second-lowest Arctic sea ice minimum, recorded in 2007. "Historically such weather conditions slow down the summer ice loss, but we still got down to essentially a tie for second lowest on the satellite record," reports US National Snow and Ice...
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Same Problem, Different Effects: Two Temperature Consequences from the Ends of the Earth

There's really no place to hide from the heat: new reports from both ends of the world show just some of the consequences of a steadily warming planet. The NSIDC and NASA have announced a new record low in the Arctic sea ice cover, and the Great Barrier Reef in Australia is suffering a devastating bleaching event -- both the result of higher...
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Antarctic Ice Shows Disturbing Trends: Both Shrinking and Growing

A new study of satellite data from NASA says that the overall ice sheet that covers Antarctica has been slowly thickening. However, the two sides of the continent are seeing contrasting effects: warming conditions in West Antarctica have been contributing to the retreat pof  the ices sheets there, and increasing the destabilization of the...
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Why One Pole Melts and the Other Doesn't

Different Things are happening at the top and bottom of our world: Antarctica is gaining MORE ice, at the same time that glaciers are melting in the Arctic. What's causing this...
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Gigantic Iceberg Menaces Wildlife, McMurdo Base

A massive 1,200 square mile iceberg threatens to block thebreakup of ice in the Ross Sea and prevent resupply of theUS's sprawling McMurdo base in Antarctica.

The iceberg broke off the Ross ice shelf in 2000 and hasbeen drifting since then. It is the largest iceberg everrecorded. On Wednesday, it ran aground against Ross Islandand is in...

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Vast Extinction Crisis Looms

The United Nations Environment Programme (UNEW) will publisha report on Wednesday stating that more than 11,000endangered animal and plant species, including more than1,000 mammal species, or 1/4 of the world's total, arelikely to go extinct over the next few decades. 12% of birdspecies and over 5,000 different plant species are alsolikely to...

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Arctic Melting Far Faster than Expected

Yesterday we reported on a developing antarcticcatastrophe--rapid warming of the area that was setting thestage for mass extinction.

Now it appears that the arctic is melting so fast thatcoastal areas of the United States are liable to becompletely under water by the end of the century, and tosuffer serious and ongoing tidal damage long...

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Antarctic Catastrophe Threatens

A catastrophe threatens because of the rapid warming of theAntarctic. Melting ice and a rapid increase in temperaturesin the Southern Ocean have caused a horrendous drop in thenumbers of Antarctic Krill, which is the key food source atthe bottom of the Antarctic food chain.

In the past, every time the base of the oceanic food chainhas...

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Penguins Getting Hot

Penguins are starting to leave parts of Antarctica because it?s getting too hot for them.The numbers of adelie penguins on the Antarctic peninsula are falling as global warming increases. Experts predict that they may abandon much of their tradition living areas permanently.

Despite evidence that parts of Antarctica have been cooling,...

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Antarctic: Cooling or Warming?

An unexpectedly rapid warming of lakes on a desolate Antarctic island is evidence of global warming, according to a 20-year study by British and Canadian scientists. They say that dramatic changes have taken place in Signy Island?s lakes caused by a 1.8-degree Fahrenheit rise in air temperature.

This increase has triggered a series of...

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Thicker Ice May Prevent Ocean Rise

The West Antarctic Ice Sheet is still dropping huge chunks of iceberg that drift hundreds of miles while they slowly melt, but it may have stopped melting, meaning that there will not be a rise in ocean levels in the immediate future. NASA?s Jet Propulsion Laboratory and the California Institute of Technology say their measurements show the...

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Antarctic Cooling Down, While Rest of World Heats Up

In spite of the rising temperatures everywhere else, the Antarctic has cooled during the past 35. However, some Antarctic ?hotspot? have gotten warmer over the past few decades.

The research was done by Dr. Peter Doran, of the University of illinois, at the American National Science Foundation?s long-term ecological research site in...

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Unexpected High-Speed Antarctic Warming

Parts of Antarctica have recently been warming much faster than the rest of the Earth, according to scientists in the U.K. They believe this degree of warming is greater than it has been for nearly two thousand years. The scientists, from the British Antarctic Survey, reported their findings in the magazine Science.

At Amundsen-Scott...

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Satellite Data Proves Ice Sheets Shrinking Fast

Satellite photos show that about 7 ? cubic miles of ice have eroded from the Antarctic ice sheet in the last 8 years, confirming that long-term changes are under way in the ice fields that cover the South Pole.

The ice sheet has shrunk mainly due to the speeded-up movement of an ice stream known as the Pine Island Glacier, which thinned...

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