1) Peter Berle discusses the pros and cons of becoming a Superfund site with citizens of Pittsfield, MA, 2) Estella Leopold, daughter of Aldo Leopold, reflects on her father's work 50 years after his death, 3) Comments on Earth Day from Dennis Hayes and Linda Anderson reads from Sand County Almanac, 4) the Earth Calendar segment describes Bison calving, 5) Steven Westcott reports on the effects of deforestation with David Wright, 6) Peter Berle discusses genetically engineered crops w/ natural pesticides with Richard Helmich and Jane Risler, 7) James Calcoon discusses Earth Day and Aldo Leopold