The Greening: 209 evokes different moments in time: present, future, and past. In the U.S. a house or other building may last a generation or more. The systems we design to guide us as a society outlive us all, though they are not permanent either. How do we know if the structures we put in place are working? How long does the long view need to be if we are going to plan accordingly? It’s time to remodel.