I know they were trying to get people to NOT leave them in their vehicles when it's hot outside. The plastic bottles are supposed to leach chemicals into the water that lead to cancer or some such thing. It makes sense.

Banning bottled water... not too sure about that one. I'm sure there are many people out there who live where the water is acrid tasting or just plain nasty and it's easier for them to use the bottled water than to purchase an entire water treatment program. At the school where I work, I never drink the water. It comes out of the faucets brownish and rusty, and sometimes there are black things floating in the water. It' gross. The school doesn't do anything about it. They could care less and say "Oh, we've had it tested, it's fine!" Bull crap!! It is nasty water! It smells bad, looks bad and tastes bad. So, I do take bottled water to school. Let's hope San Francisco's ban doesn't travel east!