The Protei project is a robotics project initiated by Scoutbots, a Hong Kong-based non-profit organization founded by Cesar Harada. The Protei project aims at developing a way of cleaning the oceans using autonomous sailing robots that are able to work together using swarm technology.
Source: Scoutbots - Cesar Harada
A TED talk from Cesar Harada, the founder of Scoutbots. We need low cost, open, extendable sailing robots to explore and protect the oceans.