What is geothermal energy, how it is used, the different ways it is used, how its used across the world, the advantages and disadvantages.

What is geothermal energy, how it is used, the different ways it is used, how its used across the world, the advantages and disadvantages.

Need to be worked on by adding more information and engineering recommendations, also numbers and data.

I am re-siting my dissertation so just needs to be improved to a better standard and touched up.

If you have any questions pls contact me