Discusses the disastrous 1986 accident at the Chernobyl nuclear power plant in the Ukraine.

Describes the oil tanker Exxon Valdez, the events that led up to its disastrous oil spill in 1989, and the effects of the spill on the Alaskan environment.

Traces the history and eventual cleanup of the ecological disaster known as Love Canal, which resulted from building a neighborhood over a chemical dumpsite that poisoned the environment and endangered the health of residents.