Suppose we could adopt, soon or right now, a strategy that would substantially reduce greenhouse gas emissions while costing people very little, or possibly even nothing? Not only that, it would not require bans or mandates, new regulations or carbon taxes. Consumers would retain freedom of choice.
The very idea sounds fanciful, even nuts. Yet a number of municipalities in California have adopted such an approach, and it’s in widespread use in Germany, where it is having a major impact. `