1.) Thomas Lalley discusses the recent oil spill off the coast of Rhode Island and talks about the effort to use micro-organisms to help clean up the spill. 2.) Host Peter Berle talks about green investing, or investing in environmentally friendly companies and mutual funds. 3.) In the segment "Portrait of a Place", Blackfoot Indian Curly Bear Wagner describes Sweet Grass Prairie in Montana. 4.) In the segment "Earth Calendar", Berle talks with Chris Sorvine of Fish and Wildlife Service about the process a grizzly bear goes through in order to hibernate for the winter.