Advancing environmental excellence

Green Marine is the leading environmental certification program for North America’s maritime industry. It is a voluntary initiative that helps its participants to improve their environmental performance beyond regulations. Green Marine targets key environmental issues related to air, water and soil quality, and community relations.


Members in Green Marine's network


Self-evaluations submitted in 2022


years of continual improvement


Indicators targeting key issues

The certification process

To receive their certification, participants must assess their environmental performance annually, submit to an external verification, agree to publish their individual results, and commit to a process of continual improvement.

Illustrated boat

A collaborative approach

Regional and multisectoral involvement is at the heart of Green Marine. Environmental issues are identified and addressed in collaboration with industry, governments, academia and environmental groups. This approach permits informed decisions to be made based on consensus.


A North American scope

Discover the results of all the participants based on the program’s rigorous criteria.

Performance indicators

Green Marine’s essence is its comprehensive environmental program that facilitates participants adopting concrete actions to measurably reduce their environmental footprint and commit to continual improvement.

A vast network

Green Marine also brings together maritime associations that act as program ambassadors, and partners that offer products, services and technologies to support the participants in their environmental efforts.

Magazine No 25

Green Marine Magazine is the ideal tool for staying abreast of developments related to the Green Marine initiative and learning about the marine industry's green initiatives. The fall 2022 edition celebrates Green Marine's 15th anniversary.

What's new ?


17 March 2023

Tugboat operator Catherwood Towing Ltd. joins the Green Marine program

Catherwood Towing Ltd. (CTL) has been providing reliable tug and barge services to customers throughout the Pacific Northwest for more than 50 years. Since first opening its doors
  • Green Marine News
17 March 2023

Hy Stor Energy LP joins Green Marine as a partner to decarbonize the industry

Hy Stor Energy is facilitating the transition to a fossil-free energy environment by advancing the production of renewable hydrogen at required scales through the development
  • Green Marine News
16 March 2023

St. Johns Ship Building joins Green Marine

St. Johns Ship Building, a shipbuilding and marine repair company located in Palatka, Florida, is the newest participant in Green Marine – the most comprehensive voluntary
  • News releases
  • Green Marine News

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