June 9, 2008 - ...plastic bags each year, and this is the number of plastic bags Americans use annually. The Web site also explains that a plastic bag is not biodegradable so it never really disappears from the Earth; it is also one major cause of death for marine animals.Grocery stores are not the only ones trying to reduce the use of plastic bags.Wal-Mart and Walgreens (NYSE:WAG) pharmacies also have the bags.According to Rich Babcock, store manager of the Walgreens store on...