How an Enhanced Geothermal System Works | The Economist

There is enough heat stored just below the earth's surface to potentially meet the world's energy needs. But can we tap it?

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Fossil fuels extracted from the ground are the primary resource for much of the world's energy use but they also pollute our environment.
A promising new technology called engineered geothermal systems, or EGS, aims to create clean energy by harnessing heat from beneath the earth.

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