COLUMBIA, S.C. — Warmer temperatures along with higher levels of carbon dioxide in the atmosphere are making poison ivy grow faster, bigger, and more potent. Poison ivy is a carbon dioxide loving ...

It’s nearly summertime, but before you go outside to enjoy the warmer weather and get out your gardening tools, remember to keep your eye out for poison ivy. Poison ivy, which causes an allergic ...

Poison ivy is something you’ll want to avoid, but according to some experts, it could be getting more difficult to do that. Horticultural experts say a change in climate could be making it more ...

When the snow is falling and the yard is asleep, poison ivy's (Toxicodendron radicans) leaves are gone, it doesn't seem very dangerous, and the vines clearly stand out against the trees. It's tempting ...

Lewis Ziska, plant physiologist for the U.S. Department of Agriculture's agricultural research service, says rising carbon dioxide levels and... Poison Ivy Growing Faster, More Virulent ROBERT SIEGEL, ...

Poison ivy can invade even the most well-groomed landscape, and it presents a special challenge to those of us who are sensitive to it. It’s easy to come in contact with poison ivy when doing routine ...

The dangers of touching or eating a poisonous plant range from mild irritation all the way to death. In the U.S. the hazardous plant you're most likely to come into contact with is poison ivy—or its ...