1.) Thomas Lalley talks with Gary Gardener of the Worldwatch Institute about environmental degradation and the loss of cropland worldwide. 2.) In the segment Portrait of a Place, author Patty Ann Rogers describes Shoal Creek, Missouri. 3.) Host Peter Berle talks with Harvard professor Edward O. Wilson about his recent book "In Search of Nature". 4.) Berle talks with Janet Hogan Taylor, author of "Dead Snails Leave no Trails", about natural pest control. 5.) In the segment Earth Calendar Berle talks with naturalist James Trager about wildflowers.