Geothermal energy - simple english wikipedia, free, Geothermal energy (from the greek roots geo, meaning earth, and thermos, meaning heat) is energy made by heat inside the earth's crust. it's clean and sustainable.. Geothermal heat pumps | energy star, Energy savings at home. improving your home's energy efficiency with energy star can help to lower high energy bills, improve comfort and reduce greenhouse gas emissions.. Geothermal energy united states - wikipedia, Geothermal energy in the united states generated a record of about 16.792 million megawatt-hours in 2012, narrowly beating the previous record of 16.789 set in 1993.
Geothermal heat pumps | department energy, Geothermal heat pumps (ghps), referred geoexchange, earth-coupled, ground-source, water-source heat pumps, late 1940s.. https://energy.gov/energysaver/geothermal-heat-pumps A history geothermal energy america | department , Archaeological evidence shows human geothermal resources north america occurred 10,000 years settlement paleo. https://energy.gov/eere/geothermal/history-geothermal-energy-america Geothermal energy - lsa, 1. geothermal energy? geothermal energy heat earth. word "geothermal" greek words geo, meaning earth," therme. http://lsa.colorado.edu/essence/texts/geothermal.html