The Port of Olympia has joined the Green Marine environmental certification program, making it one of the first 40 Port Authorities to do so globally, and following the Ports of Seattle, Seaport Alliance and Longview, only the fourth regional Port.

Green Marine is a voluntary third party certification program that requires participating port authorities to establish baseline performance indicators in multiple facets of Marine Terminal operations, and then demonstrate tangible year-over-year improvements to maintain certification. The certification system evaluates six distinct operational areas, including: