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Hurricanes 'are not caused by global warming' Matthew Moore Global warming is not to blame for the recent jump in hurricanes, according to a top scientist who previously warned about the meteorological impact of climate change. Rising temperatures may actually reduce the number of hurricanes in the Atlantic, Tom Knutson claims in a new study. Dr Knutson’s change of heart has reignited the debate in the US about how closely hurricanes can be tied to global warming. Since Hurricane Katrina devastated New Orleans in 2005, environmentalists and some scientists have seized on hurricanes as symbols of the damaging consequences of climate change.
Other scientists assert that the recent rise in hurricanes in the Atlantic that was first noted in the 1980s is unrelated to climate change and rising sea temperatures. Dr Knutson’s study, which is based on computer models, predicts that hurricanes will become less common, but more destructive, by the end of this century. They are also likely to be accompanied by much heavier downpours of rain.
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