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Olduvai III: Catacylsm
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Can Geothermal power make up for declining fossil fuels?

Can Geothermal power make up for declining fossil fuels? Preface. Geothermal power plants are cost justified only in places where volcanic or tectonic activity brings heat close to the surface, mainly in “ring of fire” nations and volcanic hot spots like Hawaii.   Even then drilling can only be done where the rocks below are fractured […]

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Energy Externalities Day 11: Geothermal Electricity

Energy Externalities Day 11: Geothermal Electricity Geothermal energy extraction involves drilling wells into hot rocks that lie close to the Earth’s surface. Given the right geology, i.e. permeable rocks that contain very hot water, the hot water or steam flows to the surface under its own steam (to coin a phrase). Temperatures are typically in […]

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Olduvai IV: Courage
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Olduvai II: Exodus
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