Water efficiency

caurtesy : Water efficiency

Water efficiency is the practice of reducing water consumption by measuring the amount of water required for a particular purpose and the amount of water used or delivered. Water efficiency differs from water conservation in that it focuses on reducing waste, not restricting use. Solutions for water efficiency not only focus on reducing the amount of potable water used but also on reducing the use of non-potable water where appropriate (i.e. flushing toilet, watering landscape, etc.). It also emphasises the influence consumers can have on water efficiency by making small behavioural changes to reduce water wastage, and by choosing more water-efficient products.

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Importance

According to the Second UN World Water Development Report, if present levels of consumption continue, two-thirds of the global population will live in areas of water stress by 2025. Increasing human demand for water coupled with the effects of climate change mean that the future of water supply is not secure. At present, 2.6 billion people do not have safe drinking water. Added to this are the changes in climate, population growth and lifestyles. The changes in human lifestyle and activities require more water per capita. This tightens the competition for water amongst agricultural, industrial, and human consumption.

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