If we practiced medicine like we practice education, we'd look for the liver on the right side and left side in alternate years.
Intelligent policies will be largely self-regulating in the sense that the system of incentives and standards makes it absolutely ludicrous to not move towards clean, internalized systems of cost and production.
It's stunning to me what kind of an impact even one person can have if they have the right passion, perspective and are able to align the interest of a great team.