Lake Oroville, California’s most beleaguered and second-largest reservoir, saw a huge boost after the climate change-fueled megadrought sucked away nearly all of its water supply. While the boost in water levels in Lake Oroville presents good news for California residents and farmers who rely on the reservoir, experts have said the state is going to need a lot more precipitation to make up for the yearslong deficit from the historic Western drought. It’s all an example of how human-caused climate change is transforming water systems around the world, cranking up temperatures and making droughts more severe and frequent