A team of students from Carnegie Mellon University’s Heinz College of Information Systems and Public Policy investigated whether recycling facilities could effectively sort plastics by the sounds they ...

Tossing everything into the blue bin (or however it's sorted in your area) feels like a good deed for the planet. People ...

When you toss your newspaper, or plastic bottle or aluminum can in a mixed recycling bin, someone, somewhere, has to sort the material out so it can be turned into something new. The sorting is an ...