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Geothermal energy
  • If you’ve ever relaxed in a hot spring, you’ve used geothermal energy. The earth’s core is about as hot as the sun’s surface, due to the slow decay of radioactive particles in rocks at the center of the planet. Drilling deep wells brings very hot underground water to the surface as a hydrothermal resource, which is then pumped through a turbine to create electricity. Geothermal plants typically have low emissions if they pump the steam and
  • water they use back into the reservoir. There are ways to create geothermal plants where there are not underground reservoirs, but there are concerns
  • that they may increase the risk of an earthquake in areas already considered geological hot spots.
  • Tidal and wave energy are still in the developmental phase, but the ocean will always be ruled by the moon’s gravity, which makes harnessing its power an attractive option. Some tidal energy approaches may harm wildlife,
  • such as tidal barrages, which work much like dams and are located in an ocean bay or lagoon. Like tidal power, wave power relies on dam-like structures or ocean floor–anchored devices on or just below the water’s surface.
14 Dec 2022 | NEW TEST
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