> We have no control over it and there's nothing citizens can do to reduce our footprint. That's just not true. You can buy cars with better fuel efficiency. (

> We have no control over it and there's nothing citizens can do to reduce our footprint. That's just not true. You can buy cars with better fuel efficiency. (Just say no to SUV.) You can buy electric cars. You can avoid air travel. You can vote for better public transportation policy, so more people take trains not cars. These are big items and they matter.