Solar and wind power rely upon factors that can’t be predicated: ample sunlight, a sustained breeze. But geothermal power, which taps the scorching temperatures that radiate outward from the earth’s core, is theoretically everywhere on the planet-the only variables are how deep you need to to dig before finding it, and at what cost. And as prices for gasoline and natural gas creep ever upward, geothermal seems increasingly like a bargain. A 2006 report by the Massachusetts Institute of Technology indicate that with a $1 billon investment in the coming years, geothermal energy could supply 10% of all U.S. power needs by 2050, on a par with nuclear and hydroelectric power. The world’s role model in this process will be Iceland, whose nesjavellir geothermal plants is shown here; 90% of the nations power is generated from geothermal and hydroelectric sources.
Pluggin in to the power of the planet
Solar and wind power rely upon factors that can’t be predicated: ample sunlight, a sustained breeze. But geothermal power, which taps the scorching temperatures that radiate outward from the earth’s core, is theoretically everywhere on the planet-the only variables are how deep you need to to dig before finding it, and at what cost. And as prices for gasoline and natural gas creep ever upward, geothermal seems increasingly like a bargain. A 2006 report by the Massachusetts Institute of Technology indicate that with a $1 billon investment in the coming years, geothermal energy could supply 10% of all U.S. power needs by 2050, on a par with nuclear and hydroelectric power. The world’s role model in this process will be Iceland, whose nesjavellir geothermal plants is shown here; 90% of the nations power is generated from geothermal and hydroelectric sources.
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