On Wednesday in Sacramento, lawmakers will hold a hearing on legislation aimed at creating buffer zones between homes and huge warehouses and logistic centers where companies, like Amazon, store and distribute mountains of goods that a lot of us might order online.  This is the latest development in an ongoing debate over warehouses and the health threats they might pose to people who live near them. The center of that debate is the Inland Empire, east of Los Angeles.Reporter: Marisa Lagos, KQEDBuckle in for a long summer when it comes to the threat of flooding. That’s what Governor Gavin Newsom told people Tuesday in the San Joaquin Valley, while standing atop a dirt levee holding back millions of gallons of floodwater.Reporter: Joshua Yeager, KVPR Learn more about your ad choices. Visit megaphone.fm/adchoices