President George H. W. Bush's Press Conference at Rio de Janeiro Heads of State Earth Summit Part 13

White House Conference on Climate Change

Part 17

News Segment 3

Part 5

President Kennedy's Address to the American People on Nuclear Testing and Disarmament

Part 4

Global Links: 3) Women in the Third World and 4) Earth: the Changing Environment

Part 15

The Highway and Its Environment

Part 1

Herrah Women and the Work Environment

Part 16

CBS "60 Minutes" Re: Bcci - Clark Clifford

Part 24

CBS Nightwatch Discussion of Toxic Waste Disposal

Part 12