We think of cities and the increasing temperatures we are going to expect. Cities do often bear the brunt of that because of the heat island effect, where temperatures are higher in urban areas, but if we think of how to build in cities to manage heat we will have cooler buildings and there are lots of ways to do this — passive heating, lighter areas, airflow, etcetera — and that doesn’t have to take much more resources, it just requires a shift in our planning and thinking…