The climate wars are not fiction. One side defends against climate risk, while the other side is dismissive, combative and comes to the table armed with many threatening weapons. This book will appeal to readers interested in learning how to engage in the debate by thinking coherently about climate. It presents lessons which were instrumental in developing an iterative risk management approach to defending against climate change. It intersperses stories of the authors experiences working within the scientific and assessment communitieswork that supported thought-organizing methods for the Intergovernmental Panel on Climate Change (IPCC) and other decision-supporting institutions.