Change in jet stream could mean longer, harsher winters

Change in jet stream could mean longer, harsher winters

CHICAGO, Feb. 18 (UPI) -- The jet stream is taking a slower, more circuitous route across North America, the result being longer-lasting, more extreme weather patterns.
Brooks Hays

Arctic melting brings benefit

WASHINGTON, Aug. 6 (UPI) -- The Arctic Ocean will be almost ice-free this summer for the first time in three decades, which scientists say will have some positive impacts on the region.

Ice expected tp disappear from North Pole

BOULDER, Colo., June 27 (UPI) -- Ice, for the first time in human history, could disappear from the North Pole this year, scientists say.

Arctic sea ice shatters record low

BOULDER, Colo., Oct. 2 (UPI) -- A U.S. study shows Arctic sea ice during this year's melting season plummeted to the lowest levels since satellite measurements began in 1979.

Study shows Arctic ice still disappearing

BOULDER, Colo., April 5 (UPI) -- A team of U.S. scientists has determined the maximum extent of Arctic sea ice the past winter was the second lowest on satellite record.

Study: Arctic sea ice still declining

BOULDER, Colo., Oct. 4 (UPI) -- A U.S. study suggests 2006 continued the pattern of sharp annual decreases in Arctic ice due to global warming.

Arctic global warming may be irreversible

CAMBRIDGE, England, March 14 (UPI) -- Scientists, noting sea ice in the Arctic has failed to form for the second consecutive winter, fear global warming may be irreversible in polar areas.

Low Sept. Arctic ice cover record expected

BOULDER, Colo., Sept. 28 (UPI) -- Climatologists say this month will set a record minimum in the amount of Arctic sea ice cover and the ice shrinkage might quicken in the future.

Arctic sea ice may be at 'tipping point'

BOULDER, Colo., Sept. 16 (UPI) -- Arctic ice melting may have accelerated to a "tipping point" that will produce a vicious cycle of melting and heating, said U.S. scientists say.

Climate: Earth losing ice in every form

BOULDER, Colo., Nov. 7 (UPI) -- Earth appears to be losing its ice in virtually every form, from glacial peaks to the permafrost frozen deep below ground.

Arctic warming continues

BOULDER, Colo., Oct. 24 (UPI) -- The Arctic's temperature over the last 20 years rose eight times faster than in the previous century, according to NASA satellite data.

Scientists predict greater sea level rise

BOSTON, Feb. 16 (UPI) -- Accelerated melting of glaciers could cause sea levels to rise about 11 inches by the end of the 21st century -- inundating more than 100 feet of coastline in s
ED SUSMAN, UPI Science News
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