Check it out, for all of you crafty folks:
http://www.myrecycledbags.com/2007/05/18/recycled-plastic-grocery-tote-bag/
You can crochet your own reusable tote out of plastic grocery bags! Recycling at it's finest! Since I am far from a Martha Stewart, I'll have to just stick with the canvas bags that I bought for $1 each, but these are a cool idea for those of you who can do it.