Globally, human excreta are a huge untapped source of nutrients. Now, a new perspective paper makes the case that biochar could help to unlock it. The PNAS paper shows that human waste contains over ...

Feb. 14—Farmers across Washington already spread thousands of tons of fertilizer from human waste on their crops each year, but there’s a major blind spot when it comes to potential contaminants.

A few weeks ago I lost the use of my toilet and learned firsthand just how much I missed it when it wasn't there. My plumbing went out of order when the pipe between my house and the city's sewer line ...