sfr san francisco paid for environmental impact. they started education efforts. no more plastic in belmont, brisbane, daly city, half moon bay, menlo park, pacifica, san bruno and south san francisco. county officials say the reusable bags are just much better for the environment. one shopper she had she agreed after seeing them floating around in the breeze in her neighborhood. >> i saw a bag fly away. i like this idea. >> but you have to remember to bring all your bags when you shop. >> i put in the car. >> i think it's smart. i just think it's one more thing for us parents to remember but i think it's a good idea. i have no problems with it whatsoever. we're very well prepared. we've been worrying about this for months so it's not a surprise. >> signs are up near the doors letting people know what's going on. san mateo, carlos, redwood city and east palo alto will follow soon with this same rule. the law basically applies to grocery stores, convenience stores, but not to restaurants. plastic bags can be used for produce, meat and prescriptions if needed. today