International Journal of the Commons Vol. 15, No. 1, 2021 Revealing the Foggara as a Living Irriga... Revealing the Foggara as a Living Irrigation System through an Institutional Analysis: Evidence ...

The Sahara strikes us as an eternal inferno of ... They constructed a sophisticated irrigation system that allowed them to grow wheat, barley, sorghum, date palms, and olives.

Paleoclimate and archaeological evidence tells us that, 11,000-5,000 years ago, the Earth's slow orbital 'wobble' transformed today's Sahara desert to a land covered with vegetation and lakes.