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Post subject: Drop in world temperatures fuels global warming debate
Posted: Fri Aug 21, 2009 4:03 am
Joined: Thu Aug 02, 2007 12:52 pm Posts: 327
Official government measurements show that the world's temperature has cooled a bit since reaching its most recent peak in 1998.
So far this year, the high has been 0.42 degrees Celsius (0.76 degrees Fahrenheit), above the 20-year average, clearly cooler than before.
Christy added, however: "Our ignorance of the climate system is still enormous, and our policy makers need to know that . . . We really don't know much about what causes multi-year changes like this."
The skeptics include scientists such as Richard Lindzen, a meteorologist at the Massachusetts Institute of Technology, who thinks that climate science is too uncertain to justify drastic measures to control CO2. He calls the case for action against global warming "silly" and "grotesque."
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