Climate change isn't just increasing outdoor temperatures and warming up the
oceans. It may also greatly increase your chances of getting a really bad case
of poison ivy.
As the level of carbon dioxide in the atmosphere increases, it's boosting
the growth of poison ivy plants, two recent studies show. These elevated carbon
dioxide levels are creating bigger, stronger poison ivy plants that produce
more urushiol, the oil that causes the allergic reaction and miserable poison
ivy rash. The urushiol...