The efforts of Elgin, Ill., and Syracuse to become greener communities. In Syracuse, the work is made more difficult by polluted Lake Onondaga. Also: Riverside, Cal., teen Otana Jakpor's campaign against air pollution.
This four-episode series hosted by Dr. Richard J. Jackson, the former director of the CDC's National Center for Environmental Health, opens with a look at how urban sprawl has helped fuel the nation's obesity and type 2 diabetes epidemics. Included: the creation of safe bicycle routes in Boulder; Denver suburbs that have turned mothballed malls into mixed-use and public-transit-centered communities; an abandoned Georgia mall in that was turned into a charter school.