Comments on: Aug 14, 2012 – Gates Foundation Re-invent the Toilet Challenge Awards http://blogs.washplus.org/innovation/2012/08/aug-14-2012-gates-foundation-re-invent-the-toilet-challenge-awards/ Good ideas get better when shared! Fri, 20 Nov 2015 12:09:27 +0000 hourly 1 https://wordpress.org/?v=4.4.4