"Like a Romantic poet of the fossil fuel era, Nash uses Canyon trail hikes as a way to frame the various destructive forces playing on the park. With elegant, readable prose, elegant, readable prose, Nash scales mountains of research to show how these concerns are not unique to the Grand Canyon." * SIERRA Magazine * A wake-up call for anyone who cares about public lands, especially the U.S. national parks. * Science * A nuanced, comprehensive, surprisingly up-to-date review of the threats facing the United States' 2.5 million square kilometres of publicly owned land. * Nature * "Evocative and passionate, this examination of invasive species, climate change, and public land use will appeal to both politically minded outdoors enthusiasts and members of the ranching community." * Foreword Reviews * "...offers insight into how our public lands were created and what that means as we fight to protect them today and in the future." * The Revelator *