City officials are considering several different options to accomplish this goal, from a ban on materials used in food takeout to a tax on retail plastic bags to a city-run deposit-return program.

• 市政府官员正在考虑几种不同的办法来完成这一目标，从禁止使用的材料在食品外卖的零售税，塑料袋的城市运行存款归还计划。