Leave No Trace Center for Outdoor Ethics

The award-winning Leave No Trace Center for Outdoor Ethics teaches people of all ages how to enjoy the outdoors responsibly, and is the most widely accepted outdoor ethics program used on public lands. As the leader in sustainable recreation practices, the Center is training a nation of outdoor advocates to put Leave No Trace principles into action. Through relevant and targeted education, research and outreach, the Center will ensure the long-term health of our natural world.

http://www.lnt.org/