The marine drone is a new innovative way to help clean out waste from the ocean. This marine drone is able to tell the difference between fish and other animals and what trash is. It has an over-sized net and it is able to pick up and grab trash, and then place it into the net it has attached to the front of it. The drone can stay in the ocean for at least two whole weeks.

http://auvac.org/newsitems/view/1659

This is a similar idea for trash clean up in the ocean involving a drone: