Ben Arent came up with this system called the energy tree that helps you monitors your recycling habits.

Photo Sharing and Video Hosting at Photobucket

The device controls the watering and feeding of the tree depending on your energy usage, and also monitors your appliances, heating/cooling, and recycling habits. It uses this information to feed and water the tree, but only if you are efficient with your energy use. If you aren’t, the Energy Tree will poison and malnourish the tree, eventually killing it.

Hopefully, this system will teach you how to save some electricity and cut down your bills.

Link & Image: Trendhunter