Sahel’s Smile-Shaped Half-Moons: Real Greening, Unproven Rain Claims
The Sahel holds more water beneath its soil than it did decades ago, and satellites confirm it. What they do not confirm is the explanation powering a viral video: that the crescent-shaped pits farmers dig across the region — the so-called half-moons — are responsible, or that those pits “create rain.” None of the sources … Read more