desertification

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.

Al Baydha project co-founder Neal Spackman gives a final update nine years in, explaining how desertification followed the loss of indigenous land management and how the land has changed since inputs stopped in 2016. It lists which species worked best.

A 47-minute documentary on Allan Savory and how he used Holistic Management to restore degraded land in Zimbabwe. It covers rotational grazing, soil health and regenerative agriculture.

Permaculture instructor Andrew Millison travels with the UN World Food Programme to Niger to see land recovery within the Great Green Wall, where rainwater harvesting is boosting food security and restoring the ecosystem.