1.) Host Peter Berle discusses the controversy over the safe drinking water act and why some environmentalists take issue with the bill. 2.) Thomas Lalley reports on a controversy surrounding a proposal to build a water filtration plant near Woodstock, New York and why some think land preservation in the Catskills is a better bet. 3.) Lalley talks with Dr. Charles Lydeard about the recent decline in the mussel population. 4.) Berle talks with Dr. Alan Rabinowitz of the Wildlife Conservation Society about a trip he took to the Annamite Mountains in Vietnam and his discovery of several new species. 5.) In the Earth Calendar segment Berle talks with Dr. Ira O'Keene of the University of Massachusetts Division of Cardiovascular Medicine about why he thinks humans' cholesterol levels increase in the winter.