In 2025, Mitsui & Co completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).
Mitsui & Co has also provided a category-level breakdown for 12 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Scope 1 | 2,803,000a | 2,637,000a | 3,006,000a | |
Total Scope 2 | ||||
Unspecified Calculation Method | 393,000a | 412,000a | 400,000a | |
Total Scope 3 | 197,100,000a | 200,329,000b | 191,522,000b | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 28.6677a | 29.9699a | 27.9876a |
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In 2025, the total operational greenhouse gas (GHG) emissions of Mitsui & Co amounted to 3,196,000 metric tons of CO2 equivalent. This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2).a
Compared to 2024, the total operational greenhouse gas (GHG) emissions of Mitsui & Co increased by 4.82%, suggesting that the company faced challenges in reducing its emissions from its core operations.a
In 2025, the total Scope 1 emissions of Mitsui & Co were 2,803,000 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Mitsui & Co's Scope 1 emissions have decreased by 12.1%, reflecting a declining long-term trend in Scope 1 emissions over time.ac
Compared to the previous year (2024), Mitsui & Co's Scope 1 emissions increased by 6.3%, suggesting that the company faced challenges in reducing emissions from its directly owned or controlled operations.a
In 2025, Mitsui & Co reported Scope 2 greenhouse gas (GHG) emissions of 393,000 tCO₂e without specifying the calculation method.a
Since 2019, Mitsui & Co's Scope 2 greenhouse gas (GHG) emissions (Unspecified Calculation Method) have decreased by 33.05%, reflecting a declining long-term trend in Scope 2 emissions over time.ac
Compared to the previous year (2024), Mitsui & Co's Scope 2 emissions (Unspecified Calculation Method) have remained relatively stable, indicating that Mitsui & Co's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, Mitsui & Co reported its Scope 2 emissions using an unspecified methodology.a
In 2025, Mitsui & Co reported 197,100,000 metric tons of CO₂ equivalent (tCO₂e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain.a
The 2025 disclosure of Mitsui & Co includes a breakdown across 12 of the 15 Scope 3 categories defined by the GHG Protocol, matching the level of disclosure in 2024, demonstrating consistent Scope 3 emissions reporting coverage year over year.a
In 2025, Mitsui & Co reported total Scope 3 emissions of 197,100,000 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 20.54% of these emissions originated from upstream activities such as purchased goods and capital goods, while 79.46% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2019, Mitsui & Co's Scope 3 emissions have increased by 378,938.46%, reflecting a rising long-term trend in Scope 3 emissions over time.ac
Compared to the previous year (2024), Mitsui & Co's Scope 3 emissions remained relatively stable, indicating that Mitsui & Co's emissions have plateaued with no significant change in its value chain footprint.ab
In 2025, Mitsui & Co reported emissions for 12 out of the 15 Scope 3 categories defined by the GHG Protocol.a
This reflects a high level of granularity and transparency in the company's emissions reporting.
In 2025, the largest contributors to Mitsui & Co's Scope 3 emissions were:a
In 2025, Mitsui & Co reported Scope 1 greenhouse gas (GHG) emissions of 2,803,000 tCO₂e and total revenues of USD 97,776 millions. This translates into an emissions intensity of 28.67 tCO₂e per millions USD.a
In 2025, Mitsui & Co reported a Scope 1 emissions intensity of 28.67 tCO₂e per millions USD. Compared to the peer group median of 20.89, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a
In 2025, Mitsui & Co ranked 16 out of 25 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Mitsui & Co is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2025, Mitsui & Co reported a total carbon footprint of 200,296,000 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 1.52% decrease compared to 2024, indicating progress in reducing its overall greenhouse gas output.ab
The largest contributor to Mitsui & Co's total carbon footprint was Scope 3 emissions, accounting for 98.4% of the company's total carbon footprint, followed by Scope 1 emissions at 1.4%.a