[Editor’s Note: This is a guest post from San Francisco Mayor, Gavin Newsom, who has also just announced his candidacy for California Lieutenant Governor]
Almost two years ago to the day, I sponsored a Green Taxi Law requiring San Francisco cab companies to lower their greenhouse gas emissions 20% below 1990 levels by 2012 . When I announced this goal many said it was unattainable.
We thought it was not only possible, but necessary to reduce our dependence on fossil fuels, clean our air, and accelerate a new green economy.