Leave No Trace is a set of outdoor ethics created by the Leave No Trace Center of Outdoor Ethics promoting conservation in the outdoors. It consists of 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,
be considerate of other visitors.
https://en.m.wikipedia.org/wiki/Leave_No_Trace
