Extended Mercury Threat Added To Climate-Change Worries
Mercury pollution has already spurred public health officials to advise eating less fish, but it could become a more pressing concern in a warmer world. So suggests a paper that appears in a recent issue of the journal Oecologia. Sue Natali, a postdoctoral associate in botany at the University of Florida and the paper's lead author, compared mercury levels in soils under trees growing in air enriched with carbon dioxide to soil beneath trees in ambient air.
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