"america tonight's" michael okwu brought us to the edge to find the health risk, the drought could pose to people in california. >> we're heading to the salten sea the largest lake in the state of california and it's drying up. the fallout from that could be disastrous. approach the lake from a distance and it's deceptively beautiful, post card perfect, but not up close. >> oh, the smell! when you get to the beach it becomes pretty clear what that foul odor is all about. it's dead fish. within about ten feet of me there are literally dozens of them. if you took a walk along the beach you would see hundreds if not thousands of carcasses. the sea is shrinking. scientists say it's an ecological time bomb, the loss of bird habitat and ecological costs could reach as high as $70 billion over the next 30 years. according to a public institute report. governor jerry brown tapped bruce wilcox to figure out a way to save the salten sea, all of this toxic dust being exposed on the lake bed when the water recedes. >> some level of pesticides and fertilizers, not a large amount but when it settles

>>> and tapped out, correspondent michael okwu in an incredible journey across the golden state, what the drought really means to californians from sea to just scraping by. a special report thursday on "america tonight." movers and shakers. >> we will be able to see change. >> gripping... inspiring... entertaining. "talk to al jazeera". saturday, 6:00 eastern. only on al jazeera america. the only way to get better is to challenge yourself, and that's what we're doing at xfinity. we are challenging ourselves to improve every aspect of your experience. and this includes our commitment to being on time. every time. that's why if we're ever late for an appointment, we'll credit your account $20. it's our promise to you. we're doing everything we can to give you the best experience possible. because we should fit into your life. not the other way around. i just had a horrible nightmare. my company's entire network went down, and i was home in bed, unaware. but that would never happen. comcast business monitors my company's network 24 hours a day and calls and e-mails me if something, like

"america tonight" michael okwu traveled to the city of los angeles to investigate those claims and toout where there's a larger environmental threat. >> reporter: los angeles has one of the largest concentrations of petroleum in the world. and pumping oil is part of the backdrop of living in l.a. sometimes the drilling is behind the scenes. no office workers in this building, it's actually disguising an oil rig. and so is this one down the street. many of the more than 3,000 oil wells in l.a. county are hiding in plain sight. like this building on a busy viet in sout street on south l.a. 16-year-old binion livers in one of those units. we asked him about the neighbor. >> they don't really know where it's coming from. >> this is one of at least 17 oil sites in the city of los angeles dangerously close to schools homes and churches according to a recent study by the community health councils. many are in low income neighborhoods. "america tonight" visited this one, a mile from murphy, where we met watchdog richard packers. >> do all these oil drilling sites have the same standards in pl

>>> and tapped out, correspondent michael okwu in an incredible journey across the golden state, what the drought really means to californians >> i've been asked to keep my voice down cause we are so close >> long before we'd heard of rose and jack and their titanic story of love on the high seas, the heroine was just as captivating extraordinary and noble and as we found out early this year her final chapter has yet to be written. >> even now, her beauty faded her engines stilled, you can see why there's never been an ocean liner quite as grand as the ss united states. docked at philadelphia's pier 82 on the delaware river she's hard to miss. dan mcsweeney wasn't even looking for her the first time he stopped by but she stopped him in his tracks. >> i was driving through philadelphia and something impelled me to look to the left and as i did i saw the stacks of the ship. >> you knew what it was? >> i immediately recognized the stacks, it was iconic. >> so much about the ss united states, her size, 9 noise feet, five blocks long, nearly the height of the empire state building. >> the