Go to this website
http://planetgreen.discovery.com/

Plastic Bags

As many of you may not realize, plastic bags have many uses. You can
Pick up dog our cat poop
Fuse them together with an iron and make a wallet or bag
Crochet our knit them
Reuse them to carry groceries
For more ideas go to these websites
http://www.bellaonline.com/articles/art35668.asp
http://planetgreen.discovery.com/home-garden/reuses-plastic-bags.html