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Published online 30 May 2006 | Nature | doi:10.1038/news060529-3
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Greenhouse gas breeds venomous vines
Mounting carbon dioxide could fuel more poisonous ivy.
Forests could become thick with more toxic forms of poisonous ivy and other noxious vines, thanks to rising levels of carbon dioxide.
That's the conclusion from researchers in the United States who have shown that the higher CO2 levels expected in the next 50 years breed ivies that grow twice as fast, and, unexpectedly, manufacture a nastier form of poison.
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