Mexican President Enrique Pena Nieto has issued a series of decrees establishing water reserves, aiming to preserve sufficient supplies for tens of millions of people. The decrees protect defined volumes of water in nearly half of Mexico’s 756 river basins, limiting them to use for humans and nature. Business and industrial access to the reserved...

Tropical Storm Aletta has become the first named storm of the 2018 Eastern Pacific hurricane season, and another area of low pressure off the Mexican coast could become the second named storm this weekend. Aletta is just under 400 miles off the Mexican coast. Infrared satellite imagery shows impressive thunderstorms near Aletta’s center, and high...