Billions of cigarette butts end up on sidewalks, beaches, and gutters each year. They are small, easy to ignore, and hard to ...

Biochar made from corn cobs can remove microplastics and ammonia from water, offering a low-cost, reusable filter made from ...

Every year, billions of cigarette butts are discarded worldwide, creating one of the most pervasive and persistent forms of ...

A growing body of research suggests that combining enzymes with biochar, a carbon-rich material made from agricultural and organic waste, could ...

Researchers at the University of Delaware have transformed discarded corn cobs and other agricultural byproducts into high performance biochar filters ...