 Well, we'll see whether we can do it with climate change. As you say, it's human resistance. And I did a program with a person who said that human denial was just a part of the way our brains evolved, and it's very difficult to get rid of. So I think we're going to have to wrap it up there, David. It's been really fascinating talking with you. We've been discussing the paper, Human Exposure and Sensitivity to Globally Extreme Wildfire Events, and that was published in the journal Nature on February 6, 2017.