“Built on arid, rocky ground at an elevation of more than four thousand feet, they can, in twenty-four hours, collect up to seventeen gallons of water … per square yard of netting.” Water is becoming a rare commodity as populations increase in particularly rain-free regions. From The New Yorker’s Paul Toutonghi: Could harvesting fog help solve the world’s water crisis?

+ Quartz: The promise of ocean wave power has enticed, and eluded, engineers for 40 years.