The Greenhouse Effect

Air Date: December 13, 1985

Air Date: December 12, 1985

Air Date: December 11, 1985

Air Date: December 3, 1985

Air Date: December 2, 1985

Air Date: November 29, 1985

Air Date: November 28, 1985

Air Date: November 27, 1985

Air Date: November 26, 1985

Air Date: November 25, 1985

Air Date: November 15, 1985

Air Date: November 14, 1985

Air Date: November 13, 1985

Air Date: November 12, 1985

Air Date: November 11, 1985

Air Date: November 8, 1985

Air Date: November 7, 1985

Air Date: November 6, 1985

Air Date: November 5, 1985

Air Date: November 4, 1985

Air Date: November 1, 1985

Air Date: October 31, 1985

Air Date: October 30, 1985

Air Date: October 29, 1985

Air Date: October 28, 1985

Air Date: October 25, 1985

Air Date: October 24, 1985

Air Date: October 23, 1985

Air Date: October 22, 1985

Air Date: October 21, 1985

Air Date: October 18, 1985

Air Date: October 17, 1985

Air Date: October 16, 1985

Air Date: October 15, 1985

Air Date: October 14, 1985

Air Date: October 11, 1985

Air Date: October 10, 1985

Air Date: October 9, 1985

Air Date: October 8, 1985

Air Date: October 7, 1985

Air Date: October 4, 1985

Air Date: October 3, 1985

Air Date: October 2, 1985

Air Date: October 1, 1985

Air Date: September 30, 1985

Air Date: September 27, 1985

Air Date: September 26, 1985

Air Date: September 25, 1985

Air Date: September 24, 1985

Air Date: September 23, 1985

Air Date: September 20, 1985

Air Date: September 19, 1985

Air Date: September 18, 1985

Air Date: September 17, 1985

Air Date: September 16, 1985

Air Date: September 14, 1984

Air Date: September 13, 1984

Air Date: September 12, 1984

Air Date: September 11, 1984

Air Date: September 10, 1984

Air Date: September 16, 1983

Air Date: September 15, 1983

Air Date: September 14, 1983

Air Date: September 13, 1983