by Kevin Clemens Adding the heat energy from trail and Metro tunnels to geothermal systems can reduce commercial and residential heating and cooling costs. Turning waste energy into useful work is becoming a trend. Now, researchers at Ecole Polytechnique Fédérale de Lausanne (EPFL), a research institute in Switzerland, have proposed a way to capture the […]
Geothermal energy uses the natural warmth below the surface of the Earth to heat water which can then be used to heat houses. It’s a clean and reliable. But, can there ever be enough buy-in to use it to radically change how we power our world? Originally posted on NBC News.