Consumers' Organization What shall we use for heating tomorrow?   The Macedonian Consumers Organization has published the brochure called " What shall we use for heating tomorrow?" In it, the author, D-r Kiril Popovski, promotes the possibility to use the soil as an alternative source of heating energy in future by using the stable temperature in its deeper layers. The brochure was published with financial support from the German Ministry of Economic Cooperation, through GTZ - German Agency for Technical Support.