For Earth Day, everyone in our grade brought in a disposable item that we use once and throw away. For example: plastic bags, plastic bottles, gum wrappers, etc. We talked and discussed everyone's items, and then we talked about the reusable alternative. I brought in one of those plastic bags you use for keeping things fresh in the refrigerator and in the kitchen. Our class thought about it and figured that you could use a tupperware instead, and you wouldn't have to throw it out. That would be much more green. We did this for everyone and now we can remember to use the greener, non-disposable version of each item.