Humanity’s energy needs could be revolutionised by a source created during the very formation of the planet.

Geothermal power plants use energy stored in the form of heat beneath the Earth’s surface. They are built where there are underground reservoirs of water around fault lines in the Earth’s tectonic plates and use the power of the planet’s natural heat to generate electricity.

Pro: environmentally friendly

Geothermal energy has a low carbon footprint because it produces minimal greenhouse gases when compared to fossil fuels.

Once a plant is up and running, there’s effectively no emissions produced and ground source heat pumps for the home, which use heat from water underground, require very little maintenance, with the capacity to heat properties for more than 80 years.

Con:

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