Bill Moyers attends a conference where voices from the world's major religions address our responsibilities to the environment.

Gro Harlem Brundtland, prominent environmentalist and first woman to be elected Prime Minister of Norway speaks with Bill Moyers.

Bill Moyers investigates America's shadowy new industry—the international export of toxic waste.

One scientist calls the writer the greatest explainer of the age. In this second part, Bill Moyers talked to Dr. Asimov about science, education and the universe.

In this classic interview, Isaac Asimov explains that he is not an enemy of religion, how scientists are among the most moral people he knows and the urgent need to check population growth.

A 1988 conversation with the biochemist and biophysicist about the looming effects of climate change.

Bill Moyers takes a fascinating look at Stewart Mace, a World War II vet who moved to a remote corner of Colorado to raise his family and his huskies.