Conversation: According to a new report published in Nature on April 20, 2016 by Patrick Egan and Megan Mullin, weather conditions have improved for the vast majority of Americans over the past 40 years. This, they argue, explains why there has been little public demand so far for a policy response to climate change. Egan and Mullin do note that this trend is projected to reverse over the course of the coming century, and that Americans will become more concerned about climate change as they perceive more...