Here's a great 5-minute clip of Amory Lovins (Rocky Mt. Institute) talking about the need for a systems thinking and a whole-systems approach to the complex problems we face. RMI continues to do some of the best work in the field, and if you want to see some examples of that work in action in the green building space, check out their case studies, here. The numbers speak for themselves. This stuff is possible. Stay going.