Trying to recycle the wrong materials only clogs up the system. We asked a recycling expert about the dos and don'ts of recycling takeout boxes.

At an office in San Francisco, if you drop a coffee cup in a robotic waste bin, the machine will automatically sort the cup for recycling. The office is one of the first to use the technology, called ...

Sure good-natured rivalries play out among friends during Sunday night’s Super Bowl, but the more contentious debates may arise after the game — when it’s time to decide whether to toss the pizza ...