EN
The increasing energy consumption not only limits its accessibility but also contributes to the exhaustion of known and examined sources of that energy and the growth of its cost but mostly causes the increased emission of so-called greenhouse gasses – CO2, SOx, NOx, methane and so on. Those gases are responsible for significant climatic changes on our globe. Burning wood even though to a smaller extend than burning coal also contributes to that fact. Coal and wood as the result of burning simultaneously generate toxic substances – cancerogenic benzo(a)pyrene, heavy metals as well as dioxins and furans.