ZenRobotics, a Finnish company, is willing to use intelligent robots to pick and sort recyclable materials in order to reduce waste and eventually save the earth and they describe in their trailer below. Yes, you read right, they have a "trailer".
http://www.youtube.com/watch?v=bPDH2uSaQeY
From our perspective, this could be an early form of WALL-E. All that is missing is a mobile base, some more cuteness, and a funky voice.
Via IEEE Spectrum