1) Mark Brodie discusses the impact of high speed rails on the environment with Mehdi Morshed, rail advocate, John Holtzclaw with the Sierra Club and Jim Waddington, Amtrak representative. 2) Peter Berle discusses international efforts in family planning and education with Dan Pellegrom of Pathfinder International. 3) Linda Fleming speaks with conservationist Harvey Locke about the Wildlands Project. 4) In the earth calendar segment, Steven Westcott talks about the mating behavior of the Chinook Salmon. 5) Peter Berle discusses job growth and greenhouse emissions with Jennifer Morgan of the World Wilfelife Fund and Glen Kelly of the Global Climate Coalition. 6) Steven Westcott discusses the challenges of captive breeding programs with Terri Roth of the Cincinnati Zoo. 7) Listener Comments.