Michael Schlesinger, a professor of atmospheric sciences at the University of Illinois at Urbana-Champaign, will participate in news conferences in New York City on May 9, and Washington, D.C., on May 10, publicizing the U.S. debut of the book "Avoiding Dangerous Climate Change."
Published by Cambridge University Press, the book builds upon scientific findings presented at the "Avoiding Dangerous Climate Change" conference held in Exeter, England, in February last year. The conference was sponsored by the United Kingdom Department of Environment, Food and Rural Affairs.
The conference brought together more than 200 scientists and political leaders from 30 nations. Major themes included key vulnerabilities of the climate system and critical thresholds, socio-economic effects, and technologies to limit greenhouse-gas emissions.
"This movement carries a tremendous amount of heat northward, and plays a vital role in maintaining the current climate," Schlesinger said. "If the thermohaline circulation shut down, the southern hemisphere would become warmer and the northern hemisphere would become colder. The heavily populated regions of eastern North America and western Europe would experience a significant shift in climate."
Two major factors affect the range of possible future temperature increases: Scientists don’t know precisely how sensitive the climate system will be to future emissions; and they don’t know exactly how much humankind will emit. People can only control one of the factors. By reducing emissions, the amount of future warming and associated impacts can be reduced.
"Recent work by five independent research teams has shown that climate sensitivity could be larger than the 4.5 degrees Celsius upper bound published by the Intergovernmental Panel on Climate Change," Schlesinger said. "In fact, climate sensitivities as high as 9 degrees Celsius are not implausible. Paralysis in near-term action to significantly reduce emissions could make mitigation nearly impossible to attain."
Two other authors and one of the book’s editors will also participate in the news conferences. The May 9 news conference will begin at noon EDT at JP Morgan-Chase corporate headquarters in Manhattan. The May 10 news conference will begin at 4 p.m. in Room 485 of the Russell Senate Office Building.
James E. Kloeppel | EurekAlert!
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