Our final book tour stop dropped us in Denver where we held an event at the legendary independent bookstore, Tattered Cover. The staff gave us a warm welcome, as did the mayor, John Hickenlooper, by way of an official proclamation declaring December 14 to be Worldchanging day in Denver.

A number of locals approached us afterwards to tell us about their own endeavors, including an art event about climate change and a new system for visualizing one's personal environmental impact. All in all, it was a great way to close a fantastic tour.