While warmer weather may help some crops, others will be hurt because of "weeds, diseases, insect pests and other climate change-induced stresses," the report said. It said weeds like kudzu do better with warmer weather and are far more likely to spread north.
"Several populations - including children, the elderly, the sick, the poor, tribes and other indigenous people - are especially vulnerable to one or more aspects of climate change," the report said.
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Online:
The National Climate Assessment: http://ncadac.globalchange.gov.
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Seth Borenstein can be followed at http://twitter.com/borenbears
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