"Trend analyses for extreme tropical cyclones are unreliable because of operational changes that have artificially resulted in more intense tropical cyclones being recorded, casting severe doubts on any such trend linkages to global warming."

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I can't give you a specific number today, in large part because the analysis upon which we would make that determination has not been completed. . . . I think it is fair to say there may be additional costs associated with a farming operation, but it is very difficult to quantify.

— Tom Vilsack