People in the states are asked if they would like paper or plastic when they buy groceries, and San Francisco has decided that people in San Fran will get something biodegradable. This is a big win for the environment, it would be great if every city followed their lead.

Advocates say biodegradable bags are stronger than conventional petroleum-based polyurethane plastic bags. In his office before the news conference, Mirkarimi produced a biodegradable bag holding 55 pounds of rocks.
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By a 10-1 vote, the Board of Supervisors required the use of compostable or recyclable bags — a move officials predicted could soon be imitated by other cities nationwide. One supervisor voted against the ban, saying the issue needed more study.

Each year businesses here dispense an estimated 180 million plastic bags, killing marine life and clogging landfills, said Supervisor Ross Mirkarimi.