The El Tatio geyser field in the northern Chilean region of Antofagasta. Geothermal energy comes from the earth’s internal heat, and the steam is delivered to a turbine, which powers a generator. Credit: Marianela Jarroud/IPS OLLAGÜE, Chile, Aug 26 2015 (IPS) – Chile, a land of volcanoes and geysers, has started building South America’s first geothermal plant, which would open a door to this kind of renewable energy in this country that depends largely on…