At the Oakland Ferry Terminal near Jack London Square, the morning’s marine layer begins to burn off, receding back towards the peninsula. The thick, gray fog gives way to a cerulean-blue sky smudged...

Rebecca Sutton, senior scientist at the San Francisco Estuary Institute, holds up a vial of microplastics collected from the San Pablo Bay. Photo by David Henry By Jordan Lalata [dropcap size="50px"]K[/dropcap]aty...