We use canvas for our shopping - I am perfectly certain there are grocery stores out there baffled by the bags with elves and goblins and wizards and dragons on them, commemorating this or that convention from which the bags originated, but hey, it's good for them to be exposed to a little fantasy now and then. Our plastic usage really is at a minimum.
And if you haven't heard of the Pacific Garbage Patch... welcome to a revelation.
