Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
The use of conventional energy sources (coal, oil, natural gas or uranium) is one of the main foundations of our industrial societies. They produce various types of pollution, on both a local and global scale; they are derived from limited stocks of materials that have to be extracted from the earth’s subsoil and will inexorably run out within a few decades.