Botanical Congress Comes to U-S

Next week thousands of plant biologists from around the world will be
traveling to the U-S to share ideas at the International Botanical
Congress. It’s only the third time the gathering has been held in the
U-S. The Great Lakes Radio Consortium’s Lester Graham reports:

Trees Used to Clean Up Toxins

Researchers are finding ways to use plants to clean up contaminated
sites. The Great Lakes Radio Consortium’s Lester Graham reports on a
project to use genetically altered trees to pull certain kinds of
pollution from the ground: