Nanomaterials describe, in principle, materials of which a single unit is sized (in at least one dimension) between 1 to 1000 nanometres (10−9 meter) but usually is 1 to 100 nm (the usual definition of nanoscale).
The quality and the quantity of fresh water resources face increasing challenges in many parts of Europe. Climate change, rapid population growth and urbanistion, diminishing freshwater resources, and ageing infrastructure are all taking their toll on our water supply.
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