Poison ivy is poised to be one of the big winners of a warming world
Rising temperatures and carbon dioxide levels give the toxic vine the oomph it needs to grow earlier, bigger and itchier, scientists say.
poison ivy
Don't Touch! A Scientist's Advice For Spotting Poison Ivy Before It Ruins Your Summer
The best way to treat poison ivy is to avoid touching it in the first place. But that's tricky, given the many faces the rash-inducing plant can have.