"Geothermal power plants do not burn fuel to generate electricity, but they may release small amounts of sulfur dioxide and carbon dioxide. Geothermal power pla

"Geothermal power plants do not burn fuel to generate electricity, but they may release small amounts of sulfur dioxide and carbon dioxide. Geothermal power plants emit 97% less acid rain-causing sulfur compounds and about 99% less carbon dioxide than fossil fuel power plants of similar size." - https://www.eia.gov/energyexplained/geothermal/geothermal-energy-and-the-environment.php https://www.eia.gov/energyexplained/geothermal/geothermal-en...