A friend of mine recalls a dinner-table conversation one day when she was a schoolgirl. Her dad had come home unusually frustrated from his job as a city planner. "D#@*$% environmentalists!" he said over dinner. "Dad, I thought you were an environmentalist," she said. "Why are you so upset?"
"All day long," he answered, "environmentalists come to me with problems and complaints, and business people come to me with ideas and projects. Why can't the environmentalists be proactive [...]