The Mississippi River's superhighway in Louisiana accounts for thousands of jobs and billions of dollars in trade through the shipping industry. But as climate change causes water levels to rise, activists and experts are looking for ways to tackle the problems for the people who depend on the river. Nexus Media News’ Josh Landis reports as part of our climate change series, “Peril & Promise." Stream your PBS favorites with the PBS app: to.pbs.org/2Jb8twG Find more from PBS NewsHour at www.pbs.org/newshour Subscribe to our YouTube channel: bit.ly/2HfsCD6 Follow us: Facebook: www.pbs.org/newshour Twitter: www.twitter.com/newshour Instagram: www.instagram.com/newshour Snapchat: @pbsnews Subscribe: PBS NewsHour podcasts: www.pbs.org/newshour/podcasts Newsletters: www.pbs.org/newshour/subscribe