CNN Fareed Zakaria GPS May 17, 2015 14:17:00
Had been produced from human feces. why? >> well sanitation is very important. its very important for health. its very important for quality of living. and the way sanitation is done in richer countries is very expensive. we have piping from water in we make dirty and then pipe it back out and we do complex processing processing. thats not likely to be affordable say, in all of india. and so if we could take some process and take human waste and get rid of its smell and make sure that it couldnt...
Source: archive.org