Backpacker Leave No Trace 2nd Edition. Beyond cleaning up your trash and not cutting down trees for firewood, how far should you go to minimize your impact on wilderness lands What is really important, and what is too extreme Annette McGivney provides thoughtful answers based on scientific facts. She presents practical tips and techniques tailored for hikers, climbers, backcountry skiers, mountain bikers, equestrians, sea kayakers, canoeists, and rafters. There are tips for teaching Leave No Trace practices to children and others.A field editor for Backpacker magazine, Annette McGivney has been writing about environmental and wilderness preservation issues for nearly two decades. She lives in Flagstaff, Arizona.