By the end of this century, less water and hotter air will combine to cut average yields of vegetables -- which are crucial to a healthy diet -- by nearly one-third, said the report in the Proceedings of the National Academy of Sciences. Photo:... By the end of this century, less water and hotter air will combine to cut average yields of vegetables -- which are crucial to a healthy diet -- by nearly one-third, said the report in the Proceedings of the National Academy of Sciences. Photo:...
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