Geothermal Power Plant ... begun advocating for natural gas as the mainstay fuel for electric power, offering to work with utilities to couple their power plants with carbon sequestration projects ...

Geothermal fields produce only about one-sixth of the carbon dioxide that a relatively clean natural-gas-fueled power plant produces ... may contain low levels of toxic materials.

Credit: Verónica Gabriela Cárdenas for The Texas Tribune Sage and other companies believe geothermal power is key to ...