Bill Moyers examines the politics of the environment and how choices Americans make now will determine our future.

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.

Just 12 years away from the 21st century, Bill asks a medical ethicists what he thinks is the most pressing ethical issue we have to face as our population ages and great advances in science are underway.