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Greenhouse Gas Puts the 'Poison' in Poison Ivy
Photo: David J. Moorhead/Forestryimages.orgMohan, J.E. et al. 2006. Biomass and toxicity responses of poison ivy (Toxicodendron radicans) to elevated atmospheric CO2. Proceedings of the National Academy of Sciences 103:9086-9089.
Climate change could bring out the worst in poison ivy. New research demonstrates that adding carbon dioxide to the air makes poison ivy grow faster and produce a stronger form of "poison," suggesting that these woody vines will be more plentiful and more potent by the middle of the next century.
Worst of all, this super poison ivy could threaten forests around the world, say Jacqueline Mohan of Duke University in Durham, North Carolina, and six coauthors in Proceedings of the National Academy of Sciences. Woody vines are already
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