GEOTHERMAL

Why now is the time to harness the energy deep inside our planet

A look at the four main technologies for generating power from geothermal energy

An illustration of a dry steam power plant Credit: ABB

An illustration of a dry steam power plant Credit: ABB

Geothermal energy - heat that has been generated beneath the Earth's crust - comprises a small but rapidly growing share of the global energy mix.   Combining energy that originates from friction created...

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