Climate change is putting extra pressure on industries that rely on the ocean to survive.
It is a lesson Andrew Chang lives every day he comes to work at the Carlsbad Aquafarm in San Diego County.
On a recent day, he was standing on a small floating pier in the Agua Hedionda lagoon. “Okay,” Chang said as he kneeled down and peered into deep box full of tiny oysters. “If you want to take a closer look.”
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