what are the advantages and limitations of geothermal energy?
['Environmentally Friendly. Geothermal energy is more environmentally friendly than conventional fuel sources such as coal and other fossil fuels. ... ', 'Renewable. ... ', 'Huge Potential. ... ', 'Sustainable / Stable. ... ', 'Heating and Cooling. ... ', 'Reliable. ... ', 'No Fuel Required. ... ', 'Rapid Evolution.']