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  2. Dave Evans Bicentennial Tree - Wikipedia

    en.wikipedia.org/wiki/Dave_Evans_Bicentennial_Tree

    The lookout platform was reached by climbing 165 metal spikes hammered into the trunk. [2] The Bicentennial Tree is one of three lookout trees, along with the Diamond and Gloucester Trees. Diamond Tree was closed in 2019. The Gloucester Tree and Bicentennial trees were also closed in 2023, citing a need for increased safety measures.

  3. Piton - Wikipedia

    en.wikipedia.org/wiki/Piton

    1960s-era pitons, including: knifeblades, lost arrows, bugaboos, ring angles, and bongs. A piton (/ ˈ p iː t ɒ n /; also called pin or peg) in big wall climbing and in aid climbing is a metal spike (usually steel) that is driven into a crack or seam in the climbing surface using a climbing hammer, and which acts as an anchor for protecting the climber from falling or to assist progress in ...

  4. Tree spiking - Wikipedia

    en.wikipedia.org/wiki/Tree_spiking

    In the book, he discusses how to do it and how to avoid risks to the activist and the logger, such as by putting warning signs or marks in the area where the trees are being spiked. [3] [4] On 8 May 1987, George Alexander, a millworker, was severely injured when a saw blade shattered after contact with a tree spike and cut his jaw in half.

  5. Tree climbing - Wikipedia

    en.wikipedia.org/wiki/Tree_climbing

    Tree climbing is a recreational or functional activity consisting of ascending and moving around in the crowns of trees. A rope, helmet, and harness can be used to increase the safety of the climber. Other equipment can also be used, depending on the experience and skill of the tree climber.

  6. Charred by fire, these grand California redwoods rise again ...

    www.aol.com/news/charred-fire-grand-california...

    Tens of thousands of trees were incinerated, and most of the park remains closed, its infrastructure (including 150 campsites) destroyed. Read more: 17 things to do in Santa Cruz, the old-school ...

  7. List of grade milestones in rock climbing - Wikipedia

    en.wikipedia.org/wiki/List_of_grade_milestones...

    First-free-ascents that set new grade milestones are important events in rock climbing history, and are listed below. While sport climbing has dominated absolute-grade milestones since the mid-1980s (i.e. are now the highest grades), milestones for modern traditional climbing, free solo climbing, onsighted, and flashed ascents, are also listed.

  8. Clean climbing - Wikipedia

    en.wikipedia.org/wiki/Clean_climbing

    These techniques date at least in part from the 1920s and earlier in England, but the term itself may have emerged in about 1970 during the widespread and rapid adoption in the United States and Canada of nuts (also called chocks), and the very similar but often larger hexes, in preference to pitons, which damage rock and are more difficult and ...

  9. Vermont Agency of Agriculture declares eight new invasive ...

    www.aol.com/vermont-agency-agriculture-declares...

    The Vermont Agency of Agriculture is warning communities about eight new invasive species they have identified throughout the state. The plant species − kudzu, mile-a-minute, Japanese stiltgrass ...

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