“If I was going to pick three ways that people can become more environmentally responsible in their transportation:
“First, I would say to stay out of a car when you can.
“I ride my bicycle most places, even in hilly San Francisco. I have a bicycle and a battery-assisted bicycle, because it’s a little known fact that the older you get, the bigger the hills get. Ride a bike, take the bus, take the train – any of that. Walk when you can.
