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  2. No, it's not an 80s spying technique. Here's what Leave No ...

    www.aol.com/no-not-80s-spying-technique...

    Leave what you find. Minimize campfire impacts. Respect wildlife. Be considerate of others. On its website, the National Park Service breaks down how each of the seven principles of Leave No Trace ...

  3. Leave No Trace - Wikipedia

    en.wikipedia.org/wiki/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. [1] In 1994, the non-profit Leave No Trace Center for Outdoor Ethics was formed to ...

  4. Locard's exchange principle - Wikipedia

    en.wikipedia.org/wiki/Locard's_exchange_principle

    The case studies below show how prevalent Locard's Exchange Principle is in each and every crime. [citation needed] The examples using Locard's Principle show not only how the transfer of trace evidence can tell the tale of what happened, [citation needed] [dubious – discuss] but also how much care is required when collecting and evaluating trace evidence.

  5. National Outdoor Leadership School - Wikipedia

    en.wikipedia.org/wiki/National_Outdoor...

    The principles of Leave No Trace concern minimizing the social and environmental impacts that have led to ecological degradation. The program serves as an education tool to provide guidance for how to behave while camping in the backcountry. The seven principles are: [14] Plan ahead and prepare. Travel and camp on durable surfaces.

  6. These 30 Famous People Mysteriously Disappeared And Were ...

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    She disappeared without trace on December 12, 1910 when she was 25 years old in New York City. Dorothy was the daughter of successful fine goods importer Francis R. Arnold, and enjoyed a luxurious ...

  7. Oldest human DNA reveals lost branch of the human family tree

    www.aol.com/news/oldest-human-dna-helps-pinpoint...

    24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. 24/7 Help. ... leaving no trace of ancestry in people alive today. Other lineages of ancient humans ...

  8. Washington Trails Association - Wikipedia

    en.wikipedia.org/wiki/Washington_Trails_Association

    The principles specifically highlight knowing the status of where you want to go before you go, planning accordingly based on the status information, valuing inclusivity, showing respect to others, leaving no trace, and acting with the goal of sustainability in outdoor spaces. [12]

  9. Trail ethics - Wikipedia

    en.wikipedia.org/wiki/Trail_ethics

    Trail users tend to avoid impacting on the land through which they travel. Users can avoid impact by staying on established trails, and durable surfaces, not picking plants, or disturbing wildlife, and carrying garbage out. The Leave No Trace movement offers a set of guidelines for low-impact hiking: "Leave nothing but footprints. Take nothing ...