CRF Blog

Potty Time

by David De La Torre

In Flushed with pride, The Economist reports on the Reinventing the Toilet Challenge, sponsored by the Bill & Melinda Gates Foundation.

The challenge is nothing if not ambitious. It seeks a toilet that costs less than five cents per user per day to operate, that requires neither a supply of clean water nor sewerage infrastructure to take the waste away, and that will generate energy and recover salts, water and other nutrients. Even though the challenge is little more than a year old, the award winners are on track to achieve all these goals. [more]