the United States is the Western Hemisphere second large metro area to ban the bags . Move comes as leading environmentalists call for global ban . CNN agency : Some leading environmentalists are calling for a global ban on the bags . Plastic bags are second -most common form of litter . Bags a major threat to ocean wildlife , U.N. agency says .
the United States is the Western Hemisphere second large metro area to ban the bags . Move comes as leading environmentalists call for global ban . CNN agency : Plastic bags are second -most common form of litter . Bags a major threat to ocean wildlife , U.N. agency says .