Geothermal energy is a renewable, sustainable resource with many advantages and few disadvantages. Geothermal energy comes from inside the earth and the higher temperatures are found at lower depths, due to the temperature gradien...
Renewable resource – soil?
Is soil a renewable material?
Some natural resources, such as sunshine, win and geothermal power are renewable resources but others are not so obvious. A definition of renewable might be ‘a resource that...
