In recent days, I've been conducting Q & A's via email with authors of The Hartwell Paper, a provocative essay that lays out "a new direction for climate policy." Today's interview is with Hartwell co-author Roger Pielke Jr., a professor of environmental studies at the University of Colorado, Boulder, and whose new book, The Climate Fix: What Scientists and Politicians Won't Tell You About Global Warming, will be published this September. As stated in The Hartwell Paper's Executive Summary, the authors begin from this premise: