Permaculture instructor Andrew Millison journeys with the UN World Food Programme to the Northern border of Senegal to see an innovative land recovery project within the Great Green Wall of Africa that is harvesting rainwater, increasing food security, and rehabilitating the ecosystem.

  • iie [they/them, he/him]
    ·
    6 days ago

    this was interesting, at 7:18

    "This is nothing new, we have not invented a technology here. The half moon technology is actually an endogenous technology to the Sahel, and has been forgotten over time.

    • happybadger [he/him]
      ·
      6 days ago

      I wish they had displayed some older ones that show how it changes an ecosystem 50 or 100+ years later. When replanting trees after a wildfire we use a similar technique, digging a little semicircular trench around the downhill side with some rocks to pool water, but with none of that succession planting they do in the Sahel. It seems like it'd be so cool if it does actually result in a multi-layered forest immediately feeding itself.