Answer:
Geothermal energy
Step-by-step explanation:
Geothermal energy is the heat energy that is extracted from inside the earth. The word Geothermal is derived from Greek words, Geo which means earth and therme means heat. It is a renewable source of energy as heat is continuously generated from inside the earth.
Iceland is the leader in producing energy especially the geothermal energy from renewable sources. The National Energy Authority of Iceland which is based on Orkustofnun is the pioneer in this field. t is government agency and it is responsible for the production and the use of geothermal energy in Iceland. It also provides training and advises the government regarding the advancements on the geothermal energy in Iceland.