make sure ey won't be in that situation and they'll be okay in the end of itll. >> woodruff: jacob margolis, you've done a lot of reporting on this and it's all valuable especially right now when people are thinking about it. the podcast is called the big one yousurvival guide jacob margaret list with kpcc in southern california. thank you. >> thank you. >> woodruff: there has been a big shift in the attitudes toward marijuana use in many places around the country increasingly, new state laws are following voter attitudes. we are still in the latest wave of legalization of cannabis-- one that's not finhed yet. and, we are going to spend some time this week looking at the many different ways it is affecting individual communities, businesses and ate governments. our series is called "the green rush," and william brangham begins wh this broader look. ( cheers and applause ) >> brangham: illinois is now le 11th state, along with washington, d.c., alize recreational marijuana in the u.s. with overwheing and bipartisan support, the state legislature passed a bill that allows for a regulated, rec

jacob margolis, thank you very much for being with us. so when we talk with the big one, am i right that we're not talking about if, we're he talking about when. >> yeah, it iwhen. a 7.8 magnitude earthquake onsa the southerandreas is one of the scenarios we could have in southern california. if that hits, it's going to be absolutely devastating. some of those buildings in the background you see there could potentially be at risk of collapse. there's risk that fires will break out throughout all the vhills, that we'll hae close to 2000 fatalities and that of cour is just a scenario. they are just estimates. bussibilities of what could happen. it's not going to look good would have would hav.>> woodrufe bigger than people fear. >> i don't think people understand how bad it could possibly be andd ow bathe many different scenarios could be. i feel that way because ern though i up in los angeles, my wife grew up in los angeles and we both lived through the 1994 earthquake, even we weren't ready before i did the podcast.h i think's the case fo