Poison Ivy Itchier, More Plentiful With Warming, Study Says

Poison Ivy Itchier, More Plentiful With Warming, Study Says: "Poison Ivy Itchier, More Plentiful With Warming, Study Says
Brian Handwerk
for National Geographic News
May 30, 2006

Global climate change may soon make our planet a much itchier place.

Rising levels of carbon dioxide—a so-called greenhouse gas that traps heat within Earth's atmosphere—can fuel booming poison ivy growth, a new study reports."