Los Angeles District Attorney George Gascon will not face a recall election, county officials announced on Monday. Critics of Gascon, led by prosecutors in his own office, have once again failed to get the more than 560,000 signatures necessary to place a recall before voters. Reporter: Marisa Lagos, KQED   New research suggests climate change is increasing the likelihood of California-wide megafloods. Warming temperatures have already doubled the risk of this type of inundation brought on by a succession of storms, lasting for as long as a month. Reporter: Ezra David Romero, KQED  A year ago, the Caldor Fire burned through the small town of Grizzly Flats in Northern California. The fire destroyed more than 400 homes. A new investigation from CapRadio and The California Newsroom found that the U.S. Forest Service predicted — for decades — a wildfire could devastate Grizzly Flats. But its plan to protect the town didn’t get done.  Reporter: Scott Rodd, CapRadio There's no end in sight for a strike which saw almost 2,000 Kaiser mental health care workers walk off the job on Monday in Northern California and the Central Valley. Reporter: Lesley McClurg, KQED  The number of people hospitalized after falling from the border wall at the U.S.-Mexico border is on pace to surpass last year’s record.  Reporter: Gustavo Solis, KPBS Learn more about your ad choices. Visit megaphone.fm/adchoices