SAY, WHAT IS GEOTHERMAL? Editor’s Note: In recent days, the City of Oneonta and the Town of Oneonta have contracted with consultant Jay Egg of Egg Geothermal, Kissimmee, Fla., to study incorporating municipal-heating systems into water projects. The idea is energy from the earth’s depths can be tapped to heat Otsego County’s homes and businesses. Interesting. But how does it work? Here’s how the U.S. Environmental Protection Agency (EPA) explains the process on a web site aimed at kids. It…