"This is the best thing ever invented for the poor," says Emanuel del Monte, pointing to a tank covered in black tarps protruding from the roof of his house. It forms part of a system built mostly from waste materials, which heats water through solar energy and is improving lives in Argentina.
With the first solar thermal power plant in Latin America, Chile hopes to begin to alleviate its energy crisis, which threatens to further drive up the high cost of electricity and to hinder the growth of investment, especially in the mining industry.