On June 30, 2029, the federal government’s long-looming ban on open-net-pen salmon farming is set to take effect, and closing a salmon or other kind of marine farm isn’t as simple as letting a field lie fallow. Whether degraded by poor maintenance, battered by heavy storms, or beset by financial woes, aquaculture operations have gone under before—sometimes literally. And when they do, derelict equipment can find its way to the seafloor or become suspended in the water column. Read the full story in Hakai Magazine.