Kudos to San Francisco for banning the sale of plastic bottles on public property. Definitely a step in the right direction. In fact, banning plastic bottles and plastic bags is a no-brainer. As is working to improve water quality and access to water in cities, and encourage consumers to use re-usable canvas bags when shopping. Even China has put restrictions on the use of plastic bags – over five years ago. To SF’s credit, it was the first American city to impose similar restrictions, a year before China.