1.) Thomas Lalley reports on the deterioration of Florida Bay, caused by its water sources being diked, drained, and diverted. 2.) Host Peter Berle talks with ecologist Rick Ausfeld about how lyme disease spreads and what kinds of precautions one should take. 3.) In the segment "Ear to the Ground" Linda Anderson talks with Brazilian Senator Marina Silva about her work trying to save the rainforests. 4.) In the segment "Earth Calendar" Berle talks with astronomy Professor Woody Sullivan about summer solstice here on Earth as well as what it means on Mars.