News Release

Hurricanes and Global Warming


Head of the Climate Analysis Section of the National Center for Atmospheric Research, Trenberth said today: “There is no doubt that environmental changes related to human influences on climate have changed the odds in favor of more intense storms and heavier rainfalls. A reasonable estimate of the effect of global warming on storms, such as Hurricane Katrina, is about an 8 percent enhancement of heavy rainfall and fuel for the storms since 1970, which may well be the enhancement of flooding that can breach levees designed without this in mind.”
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Research director for Greenpeace USA, Davies said today: “Scientists know that global warming will supercharge extreme weather events. Two recent published studies point to increased energy and size of hurricanes due to global warming.”
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For more information, contact at the Institute for Public Accuracy:
Sam Husseini, (202) 347-0020; or David Zupan, (541) 484-9167