Industrial giants are often the first to be called upon when the nation demands environmental change. West Coast shipping terminals occupy prime waterfront real estate—each of them operating right on the doorstep of a major metropolis. In the regular course of business,  they utilize waterways alongside sensitive marine populations and ecosystems already stressed by human activity. Over the last few decades these ports have made major strides in the move toward greening their operations and being accountable for their impacts on their local environments while servicing goliath cargo ships. The California ports of Los Angeles and Long Beach share San…