A enerxía solar térmica: carta a un alumno dun instituto galego

What is the future we want to deliver to future generations? Our fossil-fuel based society has an expiration date which is not far away, and a solution must be found to reduce our dependence on oil, coal and other hydrocarbons. A proposal is made to support thermal solar energy as the renewable energy of the future. The fundamentals of this source of energy are presented, together with several projects which have shown its viability