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 ...

Biochar might sound like a fine dining special, but it's actually a promising solution to help farmers meet their fertilizer needs. The substance, a stable form of carbon similar to charcoal, is made ...

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 ...

Sewage pollution in the Thames has been a problem for centuries. A new art installation at Science Gallery London explores the history, engineering, geography and science of human waste in the river.

In 2022, humans generated roughly 62 million tonnes of electronic waste – or e-waste. That’s enough to fill more than 1.5 million garbage trucks. And by 2030, that figure is expected to rise to 82 ...