Daily Grist: the ice has it

[Guest guest]

>The Ice Has It

>More evidence of global warming from study of Arctic winter ice

>

>A NASA scientist has wrested free of his muzzle to declare that the

>drastic melt of Arctic sea ice is likely caused by global warming. New

>research published in Geophysical Research Letters shows that for the past

>two winters, Arctic sea-ice growth at its peak has been 6 percent below

>the average peak since 1978, consistent with scientific models of

>human-caused global warming. Arctic summer ice reduction had already been

>decreasing steadily for years, with the last four summers showing record

>low ice cover. Lead author Josefino Comiso, a senior research scientist at

>NASA's Goddard Space Flight Center, called the new data " the strongest

>evidence of global warming in the Arctic so far. " And if NASA data and

>computer simulations are right, says Comiso, " this has a very large chance

>of continuing. " Meanwhile, a separate study in Nature has concluded that

>heat from the sun is not a factor in global warming, as changes in the

>sun's brightness over the century have been too small to markedly affect

>the planet's climate.

>

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>

>straight to the source: The New York Times, Andrew C. Revkin, 14 Sep 2006

>

>straight to the source: The Washington Post, Marc Kaufman, 14 Sep 2006

>

>straight to the source: New Scientist, Phil McKenna, 14 Sep 2006

>

>straight to the source: San Francisco Chronicle, Jane Kay, 13 Sep 2006

>

>straight to the source: ScienceNOW, Dan Whipple, 13 Sep 2006

 

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