Science and Technology South Africa Planted Australian Acacias Since 1845 to Anchor Coastal Dunes, Stabilize Roads, and Produce Tannin, Creating a “Water Thief” That Now Consumes 3.3 Billion Cubic Meters Annually — 7% of All Available Water in the Driest Country in the Southern Hemisphere Débora Araújo 10/03/2026 at 13:23