Leave No Trace

Leave No Trace, sometimes written as LNT, is a set of ethics promoting conservation of the outdoors. Originating in the mid-20th century, the concept started as a movement in the United States in response to ecological damage caused by wilderness recreation. In 1994, the non-profit "Leave No Trace Center for Outdoor Ethics" was formed to create educational resources around LNT, and organized the framework of LNT into seven principles.

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