"UW Researchers Study Plastic Garbage in the Great Lakes"
"Plastic is everywhere, and with good reason: it's cheap, lightweight, and durable and can be turned into practically anything, from filmy plastic wrap to colourful children's toys to vital components in a computer or a heart valve. But scientists are discovering that plastic debris in the world's oceans, and in large bodies of water such as the Great Lakes, could be a far more serious environmental problemthan previously realized."