A research team from Stanford University has developed a prototype that uses solar energy to extract nutrients from human urine to create a sustainable fertilizer. They presented the system in ...

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 ...

When it comes to renewable energy, solar panels, wind turbines, and hydropower keep coming up as number 1, but what about number 2? Literally. I’m talking about ... well, poop. There’s a rich, ...