Alarmist global warming claims melt under
scientific scrutiny
June 30, 2007
BY JAMES M. TAYLOR
Chicago Sun Times
In his new book, The Assault on Reason, Al Gore pleads, "We must stop tolerating the rejection and distortion of science. We must insist on an end to the cynical use of pseudo-studies known to be false for the purpose of intentionally clouding the public's ability to discern the truth." Gore repeatedly asks that science and reason displace cynical political posturing as the central focus of public discourse.
If Gore really means what he writes, he has an opportunity to make a difference by leading by example on the issue of global warming.
A cooperative and productive discussion of global warming must be open and honest regarding the science. Global warming threats ought to be studied and mitigated, and they should not be deliberately exaggerated as a means of building support for a desired political position.
Many of the assertions Gore makes in his movie, ''An Inconvenient Truth,'' have been refuted by science, both before and after he made them. Gore can show sincerity in his plea for scientific honesty by publicly acknowledging where science has rebutted his claims.
For example, Gore claims that Himalayan glaciers
are shrinking and global warming is to blame. Yet the September 2006 issue of
the American Meteorological Society's Journal of Climate reported,
"Glaciers are growing in the
Gore claims the snowcap atop Africa's
Gore claims global warming is causing more tornadoes. Yet the United Nations Intergovernmental Panel on Climate Change stated in February that there has been no scientific link established between global warming and tornadoes.
Gore claims global warming is causing more frequent and severe hurricanes. However, hurricane expert Chris Landsea published a study on May 1 documenting that hurricane activity is no higher now than in decades past. Hurricane expert William Gray reported just a few days earlier, on April 27, that the number of major hurricanes making landfall on the U.S. Atlantic coast has declined in the past 40 years. Hurricane scientists reported in the April 18 Geophysical Research Letters that global warming enhances wind shear, which will prevent a significant increase in future hurricane activity.
Gore claims global warming is causing an expansion
of African deserts. However, the Sept. 16, 2002, issue of New Scientist
reports, "Africa's deserts are in 'spectacular' retreat . . . making
farming viable again in what were some of the most arid parts of
Gore argues
Gore claims the Antarctic ice sheet is melting
because of global warming. Yet the Jan. 14, 2002, issue of Nature magazine
reported
Each of these cases provides an opportunity for Gore to lead by example in his call for an end to the distortion of science. Will he rise to the occasion? Only time will tell.
James M. Taylor is senior fellow for environment policy at the Heartland Institute.
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