Mitsui & Co.’s Materiality

Create an eco-friendly society

Accelerate initiatives towards environmental issues, such as responding to climate change and water resource problems, and contributing to a circular economy.

Recognition of Societal Issues

  • Global warming, climate change
  • Water resource shortages
  • Circular economy
  • Environmental pollution
  • Loss of biodiversity

Major Risks and Opportunities


  • Impact of tighter policies and regulations as part of the transition to a low-carbon society
  • Impact of new technologies and the creation of new markets on supply and demand in existing business areas
  • Disruption of business operations due to the impact of cyclones, hurricanes, and other physical impacts linked to climate change
  • Impacts on the natural environment, such as the large-scale use of water in business operations
  • Impact of leakage of hazardous chemicals
  • Increase of environmental costs due to the destruction/deterioration of eco-systems


  • Accelerating market changes in the mobility area resulting from rising environmental awareness and the tightening of regulations
  • Expansion of markets for environment-related business areas, such as renewable energy
  • Demand for high-efficiency power plants
  • Creation of new business models based on the circular economy
  • Handling of products and services that contribute to the creation of a lowcarbon society by conserving energy and reducing greenhouse gas emissions

Major Initiatives

Environmental Management

  • Consideration for the environment in our business activities on a global group basis
  • Implementation of environmental management systems based on ISO14001 and various international guidelines
  • Active obtainment of environment-related certifications


  • Reduction in energy consumption intensity by 1% or higher on average per year for Mitsui and its subsidiaries in Japan
  • Improvement of the recycling rate in Head Office and corporate buildings in Osaka and Nagoya to at least 85% by 2020
  • Reduction of the use of resources (paper) in the Head Office and all offices in Japan
  • Increase in the ratio of sustainable certified palm oil procurement, including RSPO-certified, to 100% by 2030

Climate Change

  • Improving the asset portfolio of the resource and power generation business and flexible take-up of new business challenges based on long-term perspectives of at least ten years, making the most of our existing wide-range business development activities
  • Promotion of business that contributes to the reduction of CO2 emissions such as renewable energy and modal shift
  • Implementation of initiatives that contribute to the improvement of energy consumption efficiency


  • Formulating Mitsui's goal to achieve net-zero emissions as our Vision for 2050, and aiming to reduce GHG impact by 2030 to half of what it is in 2020 as the path to achieve the above goal
  • Increase in the percentage of renewable energy (including hydropower) in Mitsui’s equity-based electricity generation capacity to 30% by 2030

Water Resources

  • Work through our water business to conserve water resources and promote sustainable usage

Circular Economy

  • Promotion of the 3Rs
  • Introduction of designs and materials that minimize resource inputs
  • Promotion of sharing to improve usage rates for products and services
  • Extension of product life cycle through maintenance and repurposing
  • Development of mechanisms that allow the utilization of items once regarded as waste for other purposes

Environmental Pollution

  • Reduction of the quantity of chemical substances released into the atmosphere
  • Initiatives that lead to the reduction of water and soil contamination


  • Promotion of business that takes biodiversity into account
  • Designation of 10% of Mitsui's Forests as "biodiversity conservation forests," and maintenance and management of these forests accordingly

Our stories

I want to create a power station that is rooted in a resource-circulating local economy, and in which funds that previously would have flowed out of the community will be returned to local forests, as in Germany.