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Is global warming fueling a new generation of more aggressive weeds? According to recent research, the answer may be yes.

One of the major characteristics of a warming planet is an increase in the amount of carbon dioxide in the atmosphere.

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Six months ago one of the world’s most aggressive aquatic weeds was spotted in an inlet adjoining Cayuga Lake, part of New York’s famed Finger Lakes. The culprit was hydrilla (Hydrilla verticillata), an aquatic plant species holding a well-earned spot on the federal noxious weeds list. Officials fear an environmental disaster in the making...