1) Peter Berle and Jane Goodall discuss Dr. Goodall's ?Roots and Shoots? program and how individuals can contribute to ecological conservation. 2) Steven Westcott talks about the Habitat Conservation Plan 3) Peter Berle speaks with chemist, Dr. Leslie Orgel about molecular reproduction on primitive earth. 4) Peter Berle speaks with science writer Andrea Gianopoulos about viewing Mars. 5) Steven Westcott and Joe Eastman, professor of anatomy discuss 4 new species of fish discovered in Antarctica. 6) Peter Berle, Dr. Henry Li, Dr. John Moulder and Libby Kelly debate the health effects of electromagnetic radiation and cell phone towers. 7) Naturalist John Weeks reads his essay ?ecological message in city lights?.