Airbrush Posted May 9, 2022 Share Posted May 9, 2022 (edited) "Given the energy intensive nature of desalination, with associated economic and environmental costs, desalination is generally considered a last resort after water conservation. But this is changing as prices continue to fall." Desalination - Wikipedia Rain water harvesting could be a major source of fresh water. If enough houses and buildings were designed with gutters that collect all the rain that lands on a roof, and all that runs off pavement, that water could be saved in big reservoirs attached to any house or building. That water can be used for growing plants and all households needs. Watering lawns should be discouraged but rather use drought-resistant landscaping. The sewer system depends on rain water flushing the waste to the ocean, but much rain water could be skimmed off to be saved and used locally. "One of the strategies in water conservation is rain water harvesting. Digging ponds, lakes, canals, expanding the water reservoir, and installing rain water catching ducts and filtration systems on homes are different methods of harvesting rain water. Many people in many countries keep clean containers so they can boil it and drink it, which is useful to supply water to the needy. Harvested and filtered rain water can be used for toilets, home gardening, lawn irrigation, and small scale agriculture." Water conservation - Wikipedia Edited May 9, 2022 by Airbrush Link to comment Share on other sites More sharing options...
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