DETECTING FUTURE INVADERS (Part 3)

Devastating weed infestations in natural areas of the Great
Lakes region present a big challenge to land managers, educators,
scientists, and government agencies. That’s why hundreds of people
came to an invasive plants conference held recently in Eau Claire,
Wisconsin. In the third of a three-part series, the Great Lakes Radio
Consortium’s Mary Jo Wagner reports…those attending formed an
organization to deal with the problems and to spot new threats: