1)Thomas Lalley reports from Annapolis, Maryland on the anti-sprawl bill passed by the state?s legislature. 2) Peter Berle talks with Tim Wurman, Vice President of American Farmland Trust, and Deborah Bowers, author of ?Holding Our Ground: Protecting America?s Farms and Farmland,? about the loss of farmland throughout the country. 3) Stephanie Goitchman plays listeners? comments about conserving gas, the BioBio River dams, and shad fishing in the Hudson. 4)Bill McKibben reads from his introduction to the 1997 re-release of ?Walden? by Henry David Thoreau. 5) In The Earth Calendar segment, Peter Berle visits vernal pools in Massachusetts. 6)Peter Berle talks with Carl Safina, head of the National Audubon Society?s Living Oceans program, about tagging tuna fish with tracking devices to log their movement and population trends. 7) Peter Berle moderates a debate between Nina Young, scientist at the Center for Marine Conservation, and Sam LaBudde from the Marine Mammal Fund, about changing the legal definition of dolphin-safe tuna. 8)Peter Berle talks with Dr. Jim Lee, Director of the Trade & Environment Database Project, about the impact and cost of trade restrictions. 9)Thomas Lalley talks with John Barry about his book, ?Rising Tide: The Great Mississippi Flood of 1927 and How It Changed America.? 10) Recording of the Grateful Dead?s rendition of Johnny Cash?s song, ?Big River.?