Oyster reefs used to line America's coastlines. Today, they've nearly vanished, thanks to overharvesting, increasingly powerful storms, and oil spills. But conservationists are trying to bring back America's wild oysters, not just for eating, but for the benefits they bring to receding coastlines. We went to Louisiana to find out what it takes to farm oysters today and learn about the efforts to replenish these little bivalves. MORE TRUE COST VIDEOS: The True Cost Of The Green Crab Invasion, And How Whiskey Can Help | True Cost | Business Insider https://www.youtube.com/watch?v=e5qaT7btWeU The True Cost Of Killer Drones | True Cost | Business Insider https://www.youtube.com/watch?v=8MapFmEnDa4 Why People Risk Their Lives To Harvest Açaí | True Cost | Business Insider https://www.youtube.com/watch?v=3Sqm_v49zno ------------------------------------------------------ #Oysters #Coastline #Businessinsider Business Insider tells you all you need to know about business, finance, tech, retail, and more. Visit us at: https://www.businessinsider.com/ Subscribe: null BI on Facebook: https://read.bi/2xOcEcj BI on Instagram: https://read.bi/2Q2D29T BI on Twitter: https://read.bi/2xCnzGF BI on Snapchat: https://www.snapchat.com/discover/Business_Insider/5319643143 Boot Camp on Snapchat: https://www.snapchat.com/discover/Boot_Camp/3383377771 The True Cost Of Losing America's Wild Oysters | True Cost | Business Insider