Leave No Trace
Leave No Trace (LNT) refers to a set of trail ethics and also to a nonprofit organization that teaches those principles. LNT principles are designed to promote conservation in the outdoors. The organization Leave No Trace exists to educate people on their impact on nature as well as the principles of LNT to prevent and minimize such impacts.
Leave No Trace is built on seven principles: Plan Ahead and Prepare, Travel and Camp on Durable Surfaces, Dispose of Waste Properly, Leave What You Find, Minimize Campfire Impacts, Respect Wildlife, and Be Considerate of Other Visitors.
In the mid 20th-century there was a cultural shift in wilderness ethics from woodcraft where wilderness travelers prized themselves on their ability to rely on the resources of wild lands to a post-WWII ethics of minimal impact on the environment. Leave No Trace began in the 1960s and 70s. There was a large increase of wilderness visitation following the creation of new recreational equipment such as white gas stoves, synthetic tents, and sleeping pads. This began a commercial interest in outdoor recreation which in turn caused more visitors to National Parks. In those decades, the United States Forest Service, the Bureau of Land Management, and the National Park Service started to teach their non-motorized visitors how to have a minimal impact on the land. Wilderness Informational Specialists were trained to educate visitors on minimal impact camping in the different parks. In 1987 the three departments cooperatively developed a pamphlet titled "Leave No Trace Land Ethics."
Also in the 70s, groups such as the Sierra Club were advocating minimum impact camping techniques. The Boy Scouts of America (BSA) had been actively advocating training and implementation of Leave No Trace and outdoor ethics principals early in the 70's at such places as Philmont Scout Ranch in Northern New Mexico. A pilot program in the 80s between the BSA and the Bureau of Land Management in the High Uintas Wilderness tried to reach a wide audience.
The national education program of Leave No Trace was developed in 1990 by the United States Forest Service in conjunction with the National Outdoor Leadership School (NOLS). At the time the USFS also created other programs such as Smokey Bear, Woodsy Owl, and previously in 1985 the Tread Lightly! program which was geared towards motorized recreation. The Bureau of Land Management joined the program in 1993 followed by the National Park Service and U.S. Fish and Wildlife Service in 1994.
Leave No Trace provides a framework for outdoor recreation decision making, which is summarized in the following seven principles:
- Plan Ahead and Prepare: Poorly prepared people, when presented with unexpected situations, often resort to high-impact solutions that degrade the outdoors or put themselves at risk. Proper planning leads to less impact.
- Travel and Camp on Durable Surfaces: Damage to land occurs when surface vegetation or communities of organisms are trampled beyond repair. The resulting barren area leads to unusable trails, campsites and soil erosion.
- Dispose of Waste Properly: Though most trash and litter in the backcountry is not significant in terms of the long term ecological health of an area, it does rank high as a problem in the minds of many backcountry visitors. Trash and litter are primarily social impacts which can greatly detract from the naturalness of an area. Further, backcountry users create body waste and waste water which requires proper disposal according to Leave No Trace.
- Leave What You Find: Leave No Trace directs people to minimize site alterations, such as digging tent trenches, hammering nails into trees, permanently clearing an area of rocks or twigs, and removing items.
- Minimize Campfire Impacts: Because the naturalness of many areas has been degraded by overuse of fires, LNT teaches to seek alternatives to fires or use low-impact fires.
- Respect Wildlife: Minimizing impact on wildlife and ecosystems.
- Be Considerate of Other Visitors: Following hiking etiquette and maintaining quiet allows visitors to go through the wilderness with minimal impact on other users.
|Leave No Trace Center For Outdoor Ethics|
|Headquarters||Boulder, CO, USA|
|Executive Director||Dana Watts|
The Leave No Trace program is managed by the Leave No Trace Center for Outdoor Ethics,  formerly Leave No Trace, Inc., which is a 501(c)(3) non-profit organization. The Leave No Trace Center for Outdoor Ethics is an international nonprofit organization dedicated to the responsible enjoyment and active stewardship by all people worldwide. This mission is accomplished through education, research, volunteerism and partnerships. Leave No Trace tries to build awareness, appreciation and respect for wildlands. Since its founding in 1994, the Center has provided training in every state in the U.S. and over 25 countries. There are more than 25,000 active volunteers and members who help provide training and outreach that impacts more than 22 million people annually in the U.S. alone.
A Leave No Trace Master Educator Course is typically five days in length and designed for people who are actively teaching others outdoor skills or providing recreation information to the public. The Master Educator Course provides participants with a comprehensive overview of Leave No Trace skills and ethics through practical application in a field-based setting. The first day is spent in a classroom introducing the course and schedule, providing in-depth information on the overall Leave No Trace program and the Center for Outdoor Ethics, reviewing gear, and packing. The remaining days are spent in the field on a short backcountry trip learning and practicing the principles of Leave No Trace. Each course is staffed with a minimum of two experienced outdoor professionals who are Master Educator Instructors.
The Leave No Trace Trainer Courses are two-day trainings facilitated in an outdoor setting by Master Educators. Participants learn the concepts of Leave No Trace and prepare to teach Leave No Trace curriculum in a variety of settings. Workshop topics include the underlying ethics and seven principles of Leave No Trace.
Leave No Trace Awareness Workshops are any type of formal Leave No Trace training that are one day or less in length.
State Advocate Program 
The Leave No Trace State Advocate Program assists interested Leave No Trace educators and volunteers with their local effort to promote and teach minimum impact outdoor ethics. These active State Advocate volunteers are a key part of the Leave No Trace program because they coordinate outreach, education and training in their respective states. The State Advocates support volunteers with Leave No Trace training, increase on-the-ground awareness and attend events to further the Leave No Trace program and mission. The State Advocates have been instrumental in building communities of volunteers and educators, state-by-state.
Subaru/Leave No Trace Traveling Trainer Program 
The Subaru/Leave No Trace Traveling Trainers provide hands-on educational workshops and training. Each presentation is unique, from an hour-long workshop to a two-day Leave No Trace Trainer Course. One team travels the West coast, one team travels the East, and the Senior Team travels the entire lower 48 states. The teams visit outdoor retail stores, National and State Parks, schools, and festivals like National Public Lands Day. These trainers also provide Leave No Trace courses specific to rock-climbing, mountain biking, sea kayaking, and others.
Promoting Environmental Awareness In Kids 
The Promoting Environmental Awareness (PEAK) Program began as a partnership program between the Leave No Trace Center for Outdoor Ethics and REI in 2003. The program’s curriculum centers on providing youth, age 6-12, with information about Leave No Trace through hands-on activities, referred to as “modules”. The program is presented in a “PEAK Pack,” which includes a large packet of ready-to-go activities, supporting materials and an instructional DVD. Activities can be delivered in any sequence and are designed to be 30–60 minutes lessons each. Initially, the PEAK program included four modules. Over the past five years, the program has grown to include six standard modules, a Start Card with teaching tips, an instructional DVD, additional modules (two new modules are added per year to both PEAK and Teen), a Teen Pack and both Spanish PEAK and Teen packs. The “Packing with PEAK Fund” was created to help make the Packing with PEAK program available to youth-serving organizations across the country.
The Leave No Trace Center for Outdoor Ethics has partnerships with the National Park Service, the U.S. Forest Service, the Bureau of Land Management, the U.S. Fish and Wildlife Service, the Boy Scouts of America, and the US Army Corps of Engineers. An example of how this partnership works is that wilderness areas managed by the U.S. Forest Service actively promote adherence to Leave No Trace principles. The Center has also developed partnerships with other parks, municipalities, and agencies that wish to incorporate the Leave No Trace program in information provided to the public. In 2010, the Boy Scouts of America incorporated Leave No Trace into its advancement and leadership programs.
The Center for Outdoor Ethics currently has three international branches in Ireland, Australia, and Canada.
See also 
|Wikivoyage has travel information related to: Leave-no-trace camping|
- Turner, J.M. (July 2002). "From Woodcraft to 'Leave No Trace':Wilderness, Consumerism, and Environmentalism in Twentieth-Century America" (PDF). Environmental History (Environmental History, Vol. 7, No. 3) 7 (3): 462–484. doi:10.2307/3985918. JSTOR 3985918.
- "In Depth History of Leave No Trace". Leave No Trace. Archived from the original on 2006-07-18. Retrieved 2006-08-03.
- Marion, Jeffrey L.; Scott E. Reid (2001). "Development of the U.S. Leave No Trace Program: An Historical Perspective" (PDF). U.S. Forest Service. Retrieved 2012-11-09.
- "Seven Principles of Leave No Trace". Leave No Trace. Archived from the original on 2006-07-18. Retrieved 2006-08-03.
- "Pack it in, pack it out". Teaching leave no trace. U.S. Bureau of Land Management. Archived from the original on 2007-08-14. Retrieved 2007-09-11.
- "Center for Outdoor Ethics". Leave No Trace. Retrieved 2006-08-03.
- LNT Non-profit Partners
- "2010 Rank Requirement Changes". Boy Scouts of America. 2010. Retrieved 2010-07-30.