Environment
Environmental Performance Data
The data marked with "" (FY Mar/2022) are assured by Deloitte Tohmatsu Sustainability Co., Ltd., an external assurance provider based on International Standard on Assurance Engagements (ISAE) 3000 and ISAE3410.
Energy Consumption
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Category | Scope of coverage | Unit | FY Mar/2020 | FY Mar/2021 | FY Mar/2022 | External Assurance |
Remarks | ||
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Energy Consumption | GJ | ||||||||
Mitsui & Co., Ltd | Head office and all offices in Japan | 202,522 | 166,307 | 138,668 | ![]() |
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Consolidated | Subsidiaries | 22,788,948 | 17,148,012 | 15,883,365 | ![]() |
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Un-incorporated JVs | 20,368,551 | 24,763,476 | 22,705,638 | ![]() |
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Total | 43,360,021 | 42,077,795 | 38,727,671 | ![]() |
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(Breakdown) | Fuels | 31,925,022 | 32,358,474 | 29,384,281 | |||||
Electricity | 10,266,144 | 9,644,958 | 9,257,125 | ||||||
Steam, Heat, Cold water | 1,208,855 | 74,363 | 86,265 | ||||||
Electricity Intensity | Mitsui & Co., Ltd | Head office and all offices in Japan (per square meter) |
Mwh/m2 | 0.112 | 0.070 | 0.094 | ![]() |
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Renewable Electricity | kWh | 1,717,825 | 2,199,370 | 25,641,209 |
Greenhouse Gas (GHG)
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Category | Scope of coverage | Unit | FY Mar/2020 | FY Mar/2021 | FY Mar/2022 | External Assurance |
Remarks | ||||||||||||||||||
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Greenhouse Gas (GHG) Emissions | thousand t-CO2e | *1 | |||||||||||||||||||||||
Scope1 | Mitsui & Co., Ltd | Head office and all offices in Japan | 1 | 1 | 0 | ![]() |
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Consolidated | Subsidiaries | 390 | 315 | 366 | ![]() |
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Un-incorporated JVs | 2,907 | 3,552 | 3,405 | ![]() |
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Total | 3,298 | 3,868 | 3,771 | ![]() |
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Scope2 | Mitsui & Co., Ltd | Head office and all offices in Japan | 8 | 0 | 0 | ![]() |
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Consolidated | Subsidiaries | 361 | 244 | 227 | ![]() |
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Un-incorporated JVs | 201 | 224 | 185 | ![]() |
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Total | 570 | 468 | 412 | ![]() |
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Scope1+2 | Total | thousand t-CO2e | 3,868 | 4,336 | 4,183 | ![]() |
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Scope2 Emissions (before off-set credit adjustment) | Mitsui & Co., Ltd | Head office and all offices in Japan | thousand t-CO2e | - | 7 | 6 | ![]() |
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Scope1+2 (before off-set credit adjustment) | Total | thousand t-CO2e | - | 4,343 | 4,190 | ![]() |
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Scope3 | Investment | Emissions related to our investment | thousand t-CO2e | 32,000 | 35,000 | 36,000 | *2 | ||||||||||||||||||
Transportation | Consigned logistics in Japan with Mitsui as the shipper | 25 | 21 | 19 | ![]() |
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Commuting | Head office | 1 | 1 | 1 | |||||||||||||||||||||
Business trips | Head office | 20 | 1 | 1 | *3 | ||||||||||||||||||||
Scope1 (Break Down) | CO2 | Carbon dioxide | 2,300 | 2,487 | 2,434 | ||||||||||||||||||||
CH4 | Methane | 997 | 1,378 | 1,336 | |||||||||||||||||||||
N2O | Carbon monoxide | 1 | 3 | 2 | |||||||||||||||||||||
HFCs | Hydrofluorocarbon | 0 | 0 | 0 | |||||||||||||||||||||
PFCs | Perfluorocarbon | 0 | 0 | 0 | |||||||||||||||||||||
SF6 | Sulfur hexafluoride | 0 | 0 | 0 | |||||||||||||||||||||
NF3 | Nitrogen trifluoride | 0 | 0 | 0 | |||||||||||||||||||||
Scope1 by Area |
Americas | - | - | 407 | |||||||||||||||||||||
Asia Pacific | - | - | 3,056 | ||||||||||||||||||||||
Europe, Middle East, Central Asia and Africa | - | - | 308 | ||||||||||||||||||||||
Scope2 by Area (before credit off-set adjustment) |
Americas | - | - | 73 | |||||||||||||||||||||
Asia Pacific | - | - | 331 | ||||||||||||||||||||||
Europe, Middle East, Central Asia and Africa | - | - | 14 | ||||||||||||||||||||||
GHG Intensity | Mitsui & Co., Ltd | Head office and all offices in Japan (per square meter) |
t-CO2e/m2 | 0.07 | 0.004 | 0.003 | ![]() |
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Credit Details |
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*1 [Standards/Guidelines for Scope1+2 calculation] Consolidation : GHG Protocol Control Approach
Measurement : with reference to GHG Protocol "Emission-Factors-from-Cross-Sector-Tools (March2017)," International Energy Agency (IEA) Emissions Factors 2021, IPCC 2006 Guidelines for National Greenhouse Gas Inventories, Act on Rationalizing Energy Use and others
*2 [Scope3 Investment] Estimated values of emissions from mineral & metal resources, energy and thermal power generation businesses not included in Scope 1+2 and other affiliated company businesses using LCA databases (IDEA, Ecoinvent), input-output models, etc.
*3 FY 20/Mar, FY 21/Mar:The International flights from / to Japan taken by officers and employees of Mitsui's Head Office are included in the calculation. Calculation is based on the distance, CO2 intensity for passenger transportation, seat class coefficient, and radiative forcing index. For the intensity of passenger transportation of international flights we used 86.41 [gCO2 / pkm] which we calculated from the "Annual Report of Air Transport Statistics" of the Ministry of Land, Infrastructure, Transport and Tourism
FY 22/Mar:The international flights and domestic transit flights taken by officers and employees of Mitsui's Head Office for overseas business trips and postings are included in the calculation, and passenger emission factors by origin and destination published by the International Civil Aviation Organization (ICAO) are used
Water Consumption
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Category | Scope of coverage | Unit | FY Mar/2020 | FY Mar/2021 | FY Mar/2022 | External Assurance |
Remarks | ||
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Water Withdrawal | thousand m3 | ||||||||
Mitsui & Co., Ltd | Head office and all offices in Japan | 61 | 25 | 57 | ![]() |
*4 | |||
Consolidated | Subsidiaries and Un-incorporated JVs | 380,674 | 358,877 | 300,696 | ![]() |
*6 | |||
Total | 380,735 | 358,902 | 300,753 | ![]() |
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(Breakdown) | Industrial water, water utility | 7,618 | 4,779 | 5,428 | |||||
Pumped groundwater | 17,704 | 17,560 | 12,396 | ||||||
Rivers, lakes | 21,780 | 15,405 | 20,035 | ||||||
Sea | 329,907 | 316,075 | 257,024 | ||||||
Rainwater | 3,379 | 3,518 | 3,697 | ||||||
Others | 347 | 1,565 | 2,172 | ||||||
Intensity | Mitsui & Co., Ltd | Head office, Osaka and Chubu Offices (per employee) |
m3/employee | 15.69 | 6.47 | 12.76 | ![]() |
*5 | |
Water Discharge | thousand m3 | ||||||||
Mitsui & Co., Ltd | Head office and all offices in Japan | 61 | 25 | 54 | ![]() |
*4 | |||
Consolidated | Subsidiaries and Un-incorporated JVs | 32,428 | 19,281 | 71,204 | ![]() |
*6 | |||
Total | 32,489 | 19,306 | 71,258 | ![]() |
*7 | ||||
(Breakdown) | External disposal facilities (sewers) | 6,766 | 2,096 | 1,912 | |||||
Groundwater | 390 | 400 | 415 | ||||||
Rivers, lakes | 6,400 | 6,082 | 2,616 | ||||||
Sea | 18,563 | 9,893 | 64,250 | ||||||
Others | 370 | 835 | 2,065 | ||||||
Water recycling | thousand m3 | ||||||||
Recycled Volume | Mitsui & Co., Ltd | Head office and all offices in Japan | - | - | 13 | *4 | |||
Consolidated | Subsidiaries and Un-incorporated JVs | 7,873 | 4,706 | 5,844 | |||||
Recycled Rate | Mitsui & Co., Ltd | Head office and all offices in Japan | % | - | - | 23 |
*4 [Boundary] FY 20/Mar and FY 21/Mar : Headquarters, Osaka and Chubu Offices FY 22/Mar: Headquarters and all offices in Japan
*5 [Boundary] FY 20/Mar and FY 21/Mar : Headquarters, Osaka and Chubu Offices FY 22/Mar: Headquarters and Osaka Office
*6 [Boundary] Domestic and overseas consolidated subsidiaries and major Un-incorporated JVs
*7 Water discharge volume is assumed to be equal to water withdrawal in case of no discharge data
Waste and Paper Consumption
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Category | Scope of coverage | Unit | FY Mar/2020 | FY Mar/2021 | FY Mar/2022 | External Assurance |
Remarks | ||
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Waste | |||||||||
Waste amount | Head office, Osaka and Chubu Offices | t | 1,190 | 956 | 314 | ![]() |
*5 | ||
Recycling rate | % | 82.2 | 85.6 | 93.8 | ![]() |
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Intensity | (per employee) | t/employee | 0.305 | 0.251 | 0.086 | ![]() |
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Hazardous waste | Specially-controlled industrial waste | t | 1.1 | 0.4 | 0.5 | *8 | |||
Pollution Prevention | t | ||||||||
NOx Emissions | Head office | 0 | 0 | 3 | *9 | ||||
SOx Emissions | Head office | 0 | 0 | 0 | |||||
VOC Emissions | Head office | 0 | 0 | 0 | |||||
Paper Consumption | |||||||||
Paper consumption | Head office and all offices in Japan | thousand sheets (A4 size equivalent) | 28,778 | 11,632 | 11,304 | ![]() |
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Intensity | (thousand sheets per employee) | thousand sheets /employee |
7.18 | 2.97 | 2.96 | ![]() |
*5 [Boundary] FY 20/Mar and FY 21/Mar : Headquarters, Osaka and Chubu Offices FY 22/Mar: Headquarters and Osaka Office
*8 Infectious waste discharged from in-house clinic
*9 [Boundary] FY 20/Mar and FY 21/Mar : Headquarters FY 22/Mar: Headquarters and Osaka Office
Environmentally-friendly Logistics
In collaboration with our logistics partners, we implement energy-saving measures including promotion of economical driving practices and other fuel-saving techniques, improvement in transportation efficiency by using larger transport vehicles, introducing cargo consolidation arrangements, reviewing transport routes, and modal shift using rail and ship transport.
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Category | Scope of coverage | Unit | FY Mar/2020 | FY Mar/2021 | FY Mar/2022 | External Assurance |
Remarks | ||
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Environmentally-friendly Logistics | Million ton-kilo-meters | ||||||||
Freight volumes handled by Mitsui | Domestic logistics handled by Mitsui | 631 | 506 | 453 | ![]() |
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(Breakdown) | Ship | 558 | 433 | 390 | ![]() |
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Truck | 73 | 73 | 64 | ![]() |
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Air/Rail | 0 | 0 | 0 | ![]() |
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Intensity | (fuels per thousand ton-kilo-meters) | kl/thousand ton-kilo-meters | 0.015 | 0.015 | 0.016 | ![]() |
Initiatives toward Environmentally-friendly Logistics
Improvement of Land Transport Efficiency | We will use more energy efficient transportation methods. · Using consolidated cargo · Using larger transport vehicles to increase loading rates · Reviewing transport routes and methods |
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Improvement of Sea Transport Efficiency | We will continue to provide the following guidance for vessels chartered and/or operated by our affiliated companies. · Increasing ship loading rates · Economic cruise speed operation |
Environmental Conservation/Economic Effects
The environmental conservation and economic effects in the areas of paper consumption and energy consumption during the fiscal year ended March 2022 are shown below.
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Category | Scope of Coverage | Environmental conservation effects | Economic effects | Remarks | |
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Environmental Conservation/Economic Effects | |||||
Paper consumption | Head office and all offices in Japan | 328 thousand Sheets | 2,018 thousand JPY | ||
Electricity consumption | Head office, Osaka and Chubu Offices | 347MWh | 8,123 thousand JPY | *4 |
*4 [Boundary] FY 20/Mar and FY 21/Mar : Headquarters, Osaka and Chubu Offices FY 22/Mar: Headquarters and all offices in Japan
Assessment of Environmental Liabilities
Currently, corporate management is strongly expected to proactively deal with environmental issues. In addition to complying with legal requirements, we are working to monitor environmental risks of tangible fixed assets through self-driven surveys such as of land and buildings of Mitsui and subsidiaries in Japan, especially for asbestos, PCB, and soil pollution, and make prompt decisions on management policies.
Environment-related fines and penalties
Mitsui did not incur any environment-related fines or penalties in the fiscal year ended March 2022.