Peter Raven is the director of the Missouri Botanical Garden. More than that, Raven is a world-leader in the effort to classify, understand, and use plants in a sustainable fashion.
Recently Time Magazine labeled Peter Raven one of the "Heroes of the Planet"
for his work in understanding plants and the environment. Raven is the
director of the Missouri Botanical Garden. In the first installment of a
three-part interview at the botanical garden, the Great Lakes Radio
Consortium’s Lester Graham talked with Peter Raven about his conclusion that
we’re facing a mass extinction of species: