Biodegradable Plastic Bag Disappears in Four Months, Along With Your Earth-Killing Guilt

The reason plastic is awesome is that it's super durable, so it lasts forever, which is an issue when we want it to go away and take its place in the circle life. Biodegradable plastics aren't new, but in the past they've been pretty weak and expensive. Eco-geeks at the Missouri University of Science and Technology… »4/21/08 1:30pm4/21/08 1:30pm