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The Basics of Geothermal Energy
Check out this presentation that explains step-by-step what geothermal energy is all about: where it comes from, how it’s used and the challenges it faces. It also describes the current state of geothermal energy use globally and an estimate of just how much could be harnessed by humans for power generation and heating.
The Geothermal Energy Association (GEA) explains what geothermal energy is and how it is produced by answering the questions:
What is geothermal energy?
How does a geothermal reservoir work?
What are the different ways in which geothermal energy can be used?
How does a geothermal power plant work?