In recent decades, new scientific information has transformed our understanding of forest ecosystems, driving forest policy changes in both Canada and the United States. The extraction-oriented policies that dominated forest management for more than a century have given way to new approaches, leading often to acrimonious public debate, controversy over the interpretation of science, and frequent litigation by groups who support conflicting points of view. Today, the U.S. and Canada face a common challenge: to achieve a sustainable form of forest management that has wide public support. Many...