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Conservation of Biodiversity

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The MOL Group's activities could have an impact on biodiversity in the following ways:

  • Cross-border transportation of alien species via ship ballast water, and organisms attached to vessels and containers
  • Impact on eco-system of antifouling ship bottom paints
  • Impact on eco-system of buildings and structures on coasts
  • Impact on eco-system of paper, stationery, etc., used in offices

MOL works to develop and adopt technologies to minimize the impact of vessels on biodiversity. Furthermore, when constructing buildings on shores or the coast, MOL conducts impact assessments with project partners. Moreover, MOL rigorously conducts green procurement and recycling in offices. To raise the awareness of employees regarding protection of biodiversity and the natural environment, MOL makes use of in-house communications tools and participates in activities that protect the natural environment.

Participation in "Nippon Keidanren's Declaration of Biodiversity" as a Promotion Partner

MOL supports and adheres to the Declaration of Biodiversity by the Japan Business Federation (Nippon Keidanren), and participates as a "Promotion Partner" to clarify this commitment internally and publicly.

Nippon Keidanren's Declaration of Biodiversity (Summary)

  • Appreciate nature's gifts and aim for corporate activities in harmony with the natural environment
  • Act from a global perspective on the biodiversity crisis
  • Act voluntarily and steadily to contribute to biodiversity
  • Promote corporate management for sustainable resource use
  • Create an industry, lifestyle and culture that will learn from biodiversity
  • Collaborate with relevant international and national organizations
  • Spearhead activities to build a society that will nurture biodiversity

Ballast Water Issue

Ballast water, which is discharged while loading cargo, carries marine organisms around the world and can have a negative impact on marine ecosystems and biodiversity. Accordingly, the International Maritime Organization (IMO) adopted the Ballast Water Management Convention in 2004. As the requirements for its ratification were satisfied in September 2016, the convention is slated to go into effect in September 2017.

Transfer of Aquatic Organism via Ballast Water

Ballast Water

Ballast water, which is discharged while loading cargo, carries marine organisms around the world and can have a negative impact on marine ecosystems and biodiversity. Accordingly, IMO adopted the Ballast Water Management Convention in February 2004, and its ratification is under way. MOL developed a ballast water treatment system in cooperation with manufacturers. As of June 2017, we had installed the system on a total of 87 ships. We continue to accumulate expertise on ballast water treatment systems, based on the operation of these vessels.


This research and development was conducted in a joint research with Mitsubishi Heavy Industries (MHI) and ClassNK.

Ballast Water Treatment System

MOL developed the technology to install a packaged container ballast water treatment system that can fit in the cargo hold of a containership, and acquired approval in concept from ClassNK for the first time in Japan. The system is packaged in a 40-foot container (about 12m long) with all necessary equipment, and designed for easy accessibility and maintenance. Installation time is reduced by about seven days, compared to installing a system in the engine room. We installed the system on some of our containerships, and are conducting demonstration tests.

Viable Organism Analyzer in Ballast Water

Satake Corporation and MOL Engineering Co., Ltd. jointly developed the compact "Ballast Water Sample Concentrator" to detect the presence of large-size organism (minimum diameter ≧50μm) in ballast water samples. The concentrator and the Satake-designed and -developed "Viable Organism Analyzer" are designed and sized to make them easy to carry onto vessels.

Organisms on Vessels

Marine organisms attaching to the bottom of vessels due to the fouling of ship bottom paint and crossing borders is also an issue in the industry. The IMO is discussing guidelines to prevent this. MOL is expressing its views on practicality and other aspects through industry groups to contribute to the process of creating international guidelines.

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