Mexico City’s women water harvesters help make up for drought

MEXICO CITY — Gliding above her neighborhood in a cable car on a recent morning, Sonia Estefanía Palacios Díaz scanned a sea of blue and black water tanks, tubes and cables looking for rain harvesting systems. "There's one!" she said, pointing out a black tank hooked up to a smaller blue unit with connecting tubes snaking up to the roof where water is collected. "I'm always looking for different rainwater harvesting systems," she said, smiling. "I'm also always looking for places to install one."...