purify water Archives – The Green Optimistic green tech news, since 2008 Fri, 13 Nov 2015 14:23:24 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 New Nanomaterial Could End the Water Crisis https://www.greenoptimistic.com/nanomaterial-water-crisis/ https://www.greenoptimistic.com/nanomaterial-water-crisis/#respond Fri, 13 Nov 2015 14:23:24 +0000 https://www.greenoptimistic.com/?p=57607 New nanomaterial, developed by US scientists, promises huge cost savings and boost of efficiency of water desalination. Droughts are posing severe risks to many communities around the world. If some years ago lack of access to fresh water resources was mostly a problem of the developing world, now there is simply no guarantee for anyone […]

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]]> https://www.greenoptimistic.com/nanomaterial-water-crisis/feed/ 0 57607 Revolutionary Water Purifier Made From Banana Peels Eliminates Toxic Metals https://www.greenoptimistic.com/banana-peels-water-purifier-20110311/ https://www.greenoptimistic.com/banana-peels-water-purifier-20110311/#respond Thu, 10 Mar 2011 22:33:19 +0000 https://www.greenoptimistic.com/?p=17478 A water purification system developed recently by Gustavo Castro and his colleagues from Brazil is actually based on banana peels, with no other complex filters or other electronics involved.

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