Have you checked out Recyclebank? They offer great coupons and rewards for recycling. You can also take quizes and pledge to be greener. You can earn coupons for your favorite products, for example Coke and Kashi. Also, they offer a coupon for $10 off $50 at Harris Teeter. It comes in very handy. If you have games to recycle you can find out information on that here.
Right now they are having a Green your School Year. You have an additional way to earn extra points.