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A Period Guide for the Outdoors
A Period Guide For The Outdoors Wherever you might be—hiking, camping or at home—periods and ...
Featured Research & Resources
Research
Press Kit Information
  Click below for information including quotes, logos, awards, notable press and more. ...
Research
Leave No Trace for the Outdoor Workplace
Guidelines for how to minimize your impacts while working in the outdoors.
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Research
Dark Sky & Artificial Lighting Guidelines
Public lands and Tribal lands are some of the last vestiges of pristine or near pristine dark ...
Research
Leave No Trace Focused Research 2011 – 2018
The Leave No Trace Center for Outdoor Ethics (the Center) funds, designs, and undertakes ...
Research
Leave No Trace Research Bibliography
Leave No Trace is science-based – these are the studies that provide the scientific foundation.
Research
Pet Waste Study
Leaving pet waste on public lands is a significant impact, harming social and ecological ...
Research
Undesignated Trail Use Study
Use of undesignated trails creates erosion, vegetation damage, unsafe trail conditions, and ...
Research
State Park Visitor Behavior Study
This study examined frontcountry visitor attitudes toward Leave No Trace to determine factors ...
Research
National Park Visitor Behavior Study
This study examined variables that are thought to influence future Leave No Trace behavior.
Research
Leave No Trace Research Stats
Empirical research statistics and findings that underpin Leave No Trace practices and ...
Research
Waste in National Parks
A concern for parks is trash generated by visitors and the impact it has on these places.

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