Electric power production from coal combustion still accounts for a great proportion of total energy production in Europe. The Public Power Corporation S.A is the largest power producer and distributor in Greece and for more than 70 years manages a great coal mining area, the Lignite Center of Western Macedonia. The coal mining procedure leads to the formation of disturbed lands in coal mines, mainly in the places of soil depositions, the implication of a viable reclamation practice of whom is very critical.
Chestnut is a seasonal nut only produced in some regions of Portugal. It is a product whose value is very scattered across the various elements