Geothermal power and other sources of alternative energy are becoming increasingly important as fossil fuels increase in difficulty of recovery and expense, and as concern about climate change increases.


The Geysers geothermal power plants in California use steam to turn turbines that generate electricity.
Source: United States Geological Survey (USGS) - Photo by Julie Donnelly-Nolan, USGS

The attached kmz file marks locations of some geothermal facilities in the United States and elsewhere.