“It’s about the call of his conscience. “It’s about the survival of the planet,” he says. “Nobody is going to care who won or lost any election when the earth is uninhabitable.” If you’re a sensitive sort, then you may be in the habit of pretending to be more of a politician and less cautious or single-mindedly focused than you actually are. But in this chapter I’m asking you to rethink this view. Without people like you, we will, quite literally, drown.”