4-Sandra Steingraber is an acclaimed ecologist, cancer survivor, and author of "Living Downsteam" and "Raising Elijah". She gave a fascinating account of the apos;extremoophileapos; bacteria that feed in the hydrocarbon rich shale layer which are responsible for fouling up the works when the shale is fracked. Biocides are one constituent of fracking fluid that poses an unacceptible risk to our health. What is the ecological relationships of the subterranean biota to the rest of life on the planet? No one knows. He was the fourthspeaker at the public forum "Fracking the Fingerlakes: The Rest of the Story" held in Hammondsport, NY on September 15, 2011.