Yikes. A Salon.com article, “Plastic Bags Are Killing Us”:
All the plastic that has been made is still around in smaller and smaller pieces. Plastic doesn’t biodegrade. That means every plastic bag you’ve ever used in your entire life … still exists in some form, even fragmented bits, and will exist long after you’re dead.
Troubling. Read the whole thing for yourself. (You’ll need to click a link to bypass the ad— it’s on the right-hand side of the page.)