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How to green the world's deserts and reverse climate change | Allan Savory

TED · talk · Watch on YouTube

Environment, agriculture & food systemsClimate policy, solutions & debate

What it is

Allan Savory's TED talk arguing that desertification of grasslands can be reversed with holistic managed grazing, which he says would also help reverse climate change. TED notes that other scientists have challenged his claims.

Why Hacker News recommends it

HN commenters bring it up in climate and food threads as a hopeful, if contested, idea about grazing and soil carbon.

  • 9 people recommended it
  • 9 different months
  • 1 strong recommendations
  • first 2013, last 2023

What HN commenters said

  1. “This is the idea behind this fantastic TED talk”

    How managed grazing can restore land.

    monktastic1, 2018-12 · Strong recommendation · in “Can Dirt Save the Earth?”

  2. “Ever heard of Alan Savory? Check it out.”

    Savory on raising more animals to restore ecosystems.

    boon, 2013-03 · Recommendation · in “Bills seek end to farm animal abuse videos”

  3. “Fascinating, really.”

    Savory on herbivore behavior with and without predators.

    xamolxix, 2014-10 · Recommendation · in “How Wolves Change Rivers [video]”

  4. “Good video to watch”

    Desertification linked to under-grazing.

    dx034, 2018-01 · Recommendation · in “Britain's Next Megaproject: A Coast-To-Coast Forest”

  5. “The knowledge is available, but this ted talk only has 2 million views.”

    Managed grazing builds soil and sequesters carbon.

    andersha, 2018-10 · Recommendation · in “Carbon Removal Technologies”

  6. “This Ted talk gave me hope to reverse climate change and seems plausible”

    Hopeful, plausible approach to reversing climate change.

    yjhoney, 2019-05 · Recommendation · in “CO2 in the atmosphere just exceeded 415ppm for the first time in human history”

  7. “a great related TED talk by Allan Savory”

    Introduces why soil management matters.

    wlib, 2020-08 · Recommendation · in “We should discuss soil as much as coal (2019)”

  8. “there is a cool ted talk about this.”

    Herds stimulate grass growth, a carbon sink.

    lcamach84, 2021-03 · Recommendation · in “Beyond Meat signs global supply deals with McDonald’s, KFC and Pizza Hut”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: desertification, managed grazing, soil carbon, climate change, agriculture

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