January 6, 1999 - This January edition of Voices of Minnesota features MPR’s Dan Olson interviews with Dean Abrahamson, medical doctor and professor at University of Minnesota, and Eville Gorham, recently retired professor of ecology at University of Minnesota. Abrahamson discusses global warming, and its present and future impact on the Minnesota region. Gorham, who discovered the harmful influence of acid rain, discusses the past and current state of this pollution problem on the global environment.
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.
March 7, 1989 - Dean Abrahamson, professor of public affairs and director of the Global Environmental Policy Project at the Humphrey Institute, discusses the latest developments in the global warming crisis. Topics include CFCs, debate on average temperature rise, climate patterns, and the future consequences. Abrahamson also answers listener questions.
December 12, 1987 - On this Weekend program, Dr. Dean Abrahamson, professor of public affairs and director of the Global Environmental Policy Project at the Humphrey Institute, discusses the causes of world climate change and the implications. Topics include the carbon dioxide, changes in climate patterns, and the long-term consequences of global warming. Abrahamson also answers listener questions.
August 28, 1972 - MPR’s Paul Gruchow reports on debate over copper-nickel mining development in northeastern Minnesota. Report includes comments from residents and environmental officials.