How a pioneering university hopes to cut its carbon footprint by half

Source: New York Times Posted By: andrew S...5447 days ago

For many people, geothermal energy conjures up images of steaming geysers or bubbling hot water gushing up from superheated rocks deep within the Earth. The western United States is rich in this form of energy, but in the East, these heat-producing layers are too deep to be retrieved without expensive exploration technology.

But geothermal also applies to the use of heat pumps that can create energy from the temperature difference between the surface of the Earth and the relatively stable subsurface....

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