One of the themes about frugality and sustainability that has emerged during the book tour is how younger adults believe in the approach. Last night, I was at a benefit for families dealing with cancer. The gentleman next to me was an engineer. His business over the past 20 years has been focused on colleges and universities around the country. I mentioned the generational shift while talking and he said its absolutely true. His experience is that a competition has developed on college campuses to limit energy use and limit carbon footprint. For instance, dorms will compete to see which floors are the most parsimonious with energy usage. The halls will monitor their usage, posting it for everyone to see. Students won’t use the elevators. They use the stairs instead. And the engineers–firms like his–are installing the technology that allows for tracking and adjusting energy use.