freshwater crisis Archives – The Green Optimistic green tech news, since 2008 Tue, 25 Aug 2015 19:25:42 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 DIY: How to Build a Greywater Recycling System in 3 Steps https://www.greenoptimistic.com/diy-greywater-recycling-system/ https://www.greenoptimistic.com/diy-greywater-recycling-system/#respond Tue, 25 Aug 2015 19:25:42 +0000 https://www.greenoptimistic.com/?p=56339 Water shortages already cause problems for millions of people around the world, and the problem will likely only be exacerbated in the future. Get ahead of the curve and start saving water now by building a grewyater recycling system. These systems divert water from the shower or sink to an outdoor tank which can then be […]

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]]> https://www.greenoptimistic.com/diy-greywater-recycling-system/feed/ 0 56339 Water Desalination Plants Powered by Renewable Energy https://www.greenoptimistic.com/water-desalination-plants-powered-by-renewable-energy-20090712/ https://www.greenoptimistic.com/water-desalination-plants-powered-by-renewable-energy-20090712/#comments Sun, 12 Jul 2009 18:18:08 +0000 https://www.greenoptimistic.com/?p=4024 Due to the freshwater crisis from places like Dubai and Australia, inventors around the world have started looking for ways to convert seawater and make it potable. Most of these desalination plants require a huge amount of energy, being powered from non-renewable sources.

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