The structure of our built environment largely determines our day-to-day habits. It's hard to eliminate "unnecessary driving" if the store, school, and work are miles away through pedestrian-unfriendly highways. It's hard to eat healthy when you're surrounded by fast-food restaurants, the nearest supermarket is a long bus ride away, and local/organic food is nowhere to be found. Most people, particularly poor people, live in environments that make unhealthy and eco-unfriendly choices the path of least resistance.
Environmentalists ought to be devoted to reshaping public policy, in order to reshape our built environments, in order to make eco-friendly choices easy, so the health of the earth does not require most people on it to be virtuous, cause that's never going to happen.
For Roberts virtuosity means "making eco-friendly choices." "There's nothing wrong with pushing people to display personal virtue," he adds. But people don't become virtuous enough. It is not enough to push people. We must force them.
For the Pope virtuosity means "making God-friendly choices." For the Chinese leaders virtuosity means "making socialist-friendly choices." For racists virtuosity means "making my-race-friendly choices." They all want to shape public policy.
I would rather eliminate public policy and let people make their own choices.