David Zach is a futurist, not a psychic.  When he speaks next Friday at SOLAR 2009, the American Solar Energy Society’s National Solar Conference, he says “I’m not going to tell people what’s going to happen in the future, but I am going to tell them how to think about the future.”

Zach will talk about looking at the world in terms of fads, trends and principles. Fads, he says, are like flavors, giving our lives color. Fads serve as anchors to a moment in time, but those who live entirely by [...]