A new law goes on the books at midnight. It outlaws most retailers from packing merchandise into plastic bags. City leaders hope the new law will force consumers to be more eco-friendly and carry reusable tote bags with them on shopping trips.San Francisco's existing plastic bag ban applies only to chain grocery and drug stores. The new law will cover most "mom and pop" stores, as well as the national chains. Next year it will cover restaurants as well. The ban is intended to help San Francisco reach its "zero waste" goal.
SF's expanded bag ban starts Monday