There's a scientific consensus that the Earth's climate is warming, but many questions remain about what that could mean. For example, will there be more hurricanes? Two different methods of reconstructing the past now agree on one conclusion. A report published in the journal Nature says the North Atlantic Ocean has seen more hurricanes in the past decade than at any time in the past 1000 years. Michael Mann, a climate scientist at Pennsylvania State University, is the lead author.
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