Guest host Bob De Castro takes over for Hal Eisner. Mandy Sackett, Surfrider Foundation's California Policy Coordinator, joins Bob to talk about the potential of desalination to alleviate the worst threat of drought in California. MWD General Manager Adel Hagekhalil joins Bob to talk about the drought crisis, which he calls the worst drought ever. Bob speaks to Emily Parker, a water quality scientist with Heal the Bay, about the problem of microplastics.