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… drinking purposes require relatively clean water, whereas industrial water users may be able to make do with water of a … of water through a canal for irrigated agriculture or industrial use. Such supplies are usually made on the basis … reduced incentives to conserve it. A desire to prevent the waste and over-use of water through the introduction of …

… and a relatively dense population associated with poor waste and waste water management is contaminating rivers and affecting … • Intensive animal farming, dense population and poor waste and waste water management contaminating rivers and …

… water supply for domestic, arable, pastoral or industrial purposes; and peat for fuel or commercial … importance since organic (sewage) and toxic (chemical and industrial) sediments are usually the major pollutants in … their gills every 2 years, purifying it of much organic waste.26 Wetlands also provide an important reservoir of …