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, ...

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 ...

It may sound like the stuff of sci-fi movies, but diverting food waste from the landfill and converting it into electricity has become a real thing. William Brangham visited Ben & Jerry’s Vermont ice ...