Friday, August 10, 2007

Global Warming...maybe not so hot after all

Via Coyote Blog:
Breaking News: Recent US Temperature Numbers Revised Downwards Today

This is really big news, and a fabulous example of why two-way scientific discourse is still valuable, in the same week that both Newsweek and Al Gore tried to make the case that climate skeptics were counter-productive and evil.

Climate scientist Michael Mann famous for the hockey stick chart) once made the statement that the 1990's were the warmest decade in a millennia and that "there is a 95 to 99% certainty that 1998 was the hottest year in the last one thousand years." (By the way, Mann now denies he ever made this claim, though you can watch him say these exact words in the CBC documentary Global Warming: Doomsday Called Off).

Well, it turns out, according to the NASA GISS database, that 1998 was not even the hottest year of the last century. This is because many temperatures from recent decades that appeared to show substantial warming have been revised downwards...

Read the whole thing.

More coverage from WizBang with lots of more blog analysis. (And don't miss Best. Global. Warming. Story. Ever.)

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