"The return of sea otters and their voracious appetites has helped rescue a section of California marshland, a new study shows. Sea otters eat constantly and one of their favorite snacks is the striped shore crab. These crabs dig burrows and also nibble away roots of the marsh grass pickleweed that holds dirt in place."

"The Federal Emergency Management Agency will begin paying to install solar panels on schools, hospitals and other public buildings that are rebuilt after disasters, making them more resilient against future disasters while reducing greenhouse gas emissions."

"The Nevada Supreme Court unanimously ruled last week that the state can restrict new groundwater pumping if it will impact other users and wildlife, a decision that strikes a blow to the plan of a developer that at one time hoped to build a new city of 250,000 people in the Mojave Desert and could shift how groundwater is managed in the driest U.S. state."

"Frustrated Mexico City residents have been protesting weeks of water shortages, with officials warning of "unprecedented" low levels in a main system that supplies millions of people."