poor people Archives – The Green Optimistic green tech news, since 2008 Tue, 13 Jan 2009 10:06:50 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Solvatten: Solar Powered Water Purifier for the Poor https://www.greenoptimistic.com/solvatten-solar-powered-water-purifier-for-the-poor-20090113/ https://www.greenoptimistic.com/solvatten-solar-powered-water-purifier-for-the-poor-20090113/#comments Tue, 13 Jan 2009 10:06:50 +0000 https://www.greenoptimistic.com/?p=1553 While most new inventions are for wealthy people, with some social status, once in a while there are inventions aimed to help the poor and provide the minimal sanitary conditions through simple and inexpensive methods.To get one liter of boiling water you need one kilo of firewood. People living in areas with no safe water usually spend 3-10% of total income/year on water.

The post Solvatten: Solar Powered Water Purifier for the Poor appeared first on The Green Optimistic.

]]> https://www.greenoptimistic.com/solvatten-solar-powered-water-purifier-for-the-poor-20090113/feed/ 2 1553