Cloud seeding returns to LA, but no one is sure if it works By Sam Dean on April 29, 2016 01:27 pm http://www.theverge.com/2016/4/29/11538162/cloud-seeding-los-angeles-weather-modification-water-drought Early last month, a tentacle of warm, wet air began to stretch across thousands of miles of the Pacific. This was the famous “Pineapple Express,” a band of weather so saturated with water vapor that meteorologists call […]