Go here and click on the "After School Tab" at the bottom. Click on the different boxes that appear and answer questions, take a quiz, or accept a pledge. If you go through all the options you should be able to earn 80 points! Thats enough to print a $2 Kashi coupon (on sale at Rite Aid 09-25)!
To earn an additional 25 points go here and learn about how to keep plastic bottles out of the landfill.