Aug. 23 — El Paso, Texas, a land of scarce rainfall—it’s drier than Windhoek, Namibia, the capital of the driest country in sub-Saharan Africa—is charging into potable reuse with near-religious zeal. The border city (population 700,000), which shares a river and groundwater with its sister city of Ciudad Juarez, Mexico, has been building up to this moment for decades.

— Quartz