those questions prompted me to ask anthony leiserowitz to join me, he's the director of the jail project on climate change communication and a research scientist at yale university's school of forestry and environmental studies. he's a geographer by training, with a specialty in human behavior, the psychology of risk perception and decision making, an expert on the public's perception of climate change and whether people are willing to change their behavior to make a difference. he has said, "you almost couldn't design a problem that is a worse fit with our underlying psychology." tony leiserowitz, welcome. >> oh, thank you, bill, it's great to be here. >> what did you mean that we almost couldn't design a problem that is a worse fit with our underlying psychology? what did you mean by that? >> well, look, as human beings we are exquisitely attuned to what's happening in our immediately environment and what we can see around us and what literally touches us physically. if you're walking through the woods and you hear the crack of a stick behind you, your body immediately goes into a fear