This is how heat from a volcano can be used to power an entire town

If there are any leaks in the pipes, the substance leaking out is simply water or steam, and there is no hazardous waste, Jackie Caplan-Auerbach, a professor of geology at Western Washington University, told ABC News.

Other than the land use and the environmental damage done by the initial construction, there are no other hazards, Caplan-Auerbach.

"There are no refineries that need to be built or shipped to," she said. "There's no gas station on the corner that you need to develop to sell the product."