Alpi Apuane,Italy. One of the most important water reserves in Tuscany but constantly under polluting action from the processing of the marble quarries waste, especially marble dust. It's called "marmettola" and is classified as special waste; contaminated by metals, oils and fats used in the manufacturing process, the marmettola dust should be stored and treated in landfills but often is abandoned in yards or spilled into rivers. A serious deterioration of the balance of an entire ecosystem. Secondly, the cost of the water purification increases and it's paid by inhabitants of the area.