A 21-hour dive through the underwater caves that connect sinkholes beneath the ground in Florida.
When Kimberly Wasserman learned that health problems and death were tied to the smokestacks in her Chicago neighborhood, she started going door to door and got them shut down.
Ken Dufalla watches for fish kills and chemicals in the water from coal and fracking sites in Green County, Pa.
Dicks speaks with Jerry Ensminger, a Marine who was caught in the middle of a discovery that the water supply at Camp Lejeune, N.C., was contaminated.
Views of Pripyat and "resettlers."
Dave Goulson, a bee biologist at Scotland’s University of Stirling, recently wrote a study in the journal Science linking a controversial pesticide to the decline in bumble bee population.
Ma Jun, a former investigative journalist in Beijing, is pressuring global companies to clean up their act in his country. Using public information, he has made maps of the air and water pollution left by the supply chain of companies such as Apple.
A soundscape of the Sonoran desert between Arizona and Mexico, a wasteland of discarded shoes, shirts and empty plastic water jugs.
Ken Campbell begins a trip next week to catalogue the debris from the Japanese tsunami.
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