April 21, 1994 - Gaylord Nelson, former U.S. senator and founder of Earth Day, speaking at The Woman's Club of Minneapolis. Nelson’s address was on the topic of continued dangers of environmental self-destruction. Following Nelson’s speech, Dean Abrahamson, environmentalist and head of Energy and Environmental Policy Program at University of Minnesota’s Humphrey Institute, discusses progress and problems since Earth’s Day inception. Nelson also answers listener questions.
August 27, 1992 - MPR documentary on Aldo Leopold, famed ecologist, and author of “A Sand County Almanac,” one of the most influential environmental books in the 20th century. Profile includes readings of Leopold’s writings by Gene Harrington. Also presents interviews with contemporaries Paul Gruchow and Gaylord Nelson; Curt Meine, Leopold biographer; Charles Bradley of the Leopold Reserve; and Brent Haglund, president of Sand County Foundation. This Minnesota Public Radio documentary was originally produced for Earth Day 1990.
April 21, 1990 - Gaylord Nelson, founder of the first Earth Day, discusses the original twenty-million people demonstration that took place in 1970, the many environmental issues and development of a conservation movement. Gaylord also shares his thoughts on preparing for the twenty-year anniversary in 1990.
April 21, 1990 - Gaylord Nelson, former Wisconsin U.S. Senator, discusses the founding of first Earth Day 1970.
January 28, 1988 - Midday presents the MPR documentary “The Politics of Joy: A Radio Remembrance of Hubert Humphrey.” MPR’s Mark Heistad reflects on political life and impact of Hubert H. Humphrey in both Minnesota and the nation.