Dutch inventor Boyan Slat has developed a system that uses ocean currents to collect plastic waste. Experts consider this ...

A new robot is cleaning hidden trash beneath Lake Tahoe beaches, revealing buried waste that could impact water clarity and ...

Though it moves under its own steam below the water (courtesy of eight propellers mounted to its frame), you'll notice that this robo-cleaner is tethered. The cable provides both power and access to a ...