
Environmental Performance Data
Nagase Viita monitors the environmental impact of its business activities and works to reduce the use of valuable resources as well as emissions and waste.
Climate Change
Energy Consumption
| Item | Unit | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|---|
| City Gas | thousand m3 | 12,179 | 11,439 | 11,370 | 12,013 | 12,434 |
| LPG | t | 36 | 50 | 63 | 71 | 8 |
| Fuels | kL | 67 | 69 | 67 | 58 | 55 |
| Electricity* | MWh | 48,915 | 47,766 | 46,414 | 49,035 | 47,619 |
| Solar Power (Self-Generated) | MWh | ― | 45 | 42 | 42 | 45 |
| Total | GJ | 693,019 | 652,156 | 690,396 | 722,734 | 733,335 |
As of November 2, 2026
- *The electricity consumption shown above excludes self-generated solar power but includes purchased CO2-free electricity. In FY2025, 26,666 MWh of CO2-free electricity was purchased.
Initiatives for Carbon Neutrality
In line with the NAGASE Group Carbon Neutral Declaration, Nagase Viita has set a 2030 target to reduce Scope 1 and 2 greenhouse gas (GHG) emissions by 42% compared to FY2021.

Scope 1 and 2 Greenhouse Gas Emissions
| Item (Unit: tCO2) | FY2021 (Base year) | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|
| Scope1 | 28,046 | 26,529 | 23,661 | 25,460 | 25,649 |
| Scope 2 (location-based) | 16,750 | 18,111 | 20,311 | 20,744 | 20,143 |
| Scope 2 (market-based) | 18,242 | 18,753 | 19,567 | 13,160 | 10,092 |
| Scope 1 and 2 total (market-based) | 46,288 | 45,281 | 43,228 | 38,620 | 35,741 |
| Reduction rate (compared to FY2021) | ― | 2.2% | 6.6% | 16.6% | 22.8% |
As of November 2, 2026
- Scope 1: Direct greenhouse gas emissions from sources owned or controlled by the company (e.g., fuel combustion and industrial processes)
- Scope 2: Indirect greenhouse gas emissions associated with the use of purchased electricity, heat, and steam
- Scope 2 (location-based): Calculated using average CO2 emission factors for the local electricity grid
- Scope 2 (market-based): Calculated using CO2 emission factors specific to the company’s contracted electricity plans and purchased certificates
Scope 1 and 2 Greenhouse Gas Emissions Reduction Target (Aligned with SBT)
| Item (Unit: tCO2) | FY2021 (Base year) | FY2026 | FY2027 | FY2028 | FY2029 | FY2030 |
|---|---|---|---|---|---|---|
| Scope 1 and 2 total (market-based) | 46,288 | 35,487 | 33,327 | 31,167 | 29,007 | 26,847 |
As of November 2, 2026
Scope 3 Greenhouse Gas Emissions
| Item (Unit: tCO2) | Category | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|
| Scope 3 total | 126,371 | 130,115 | 129,829 | |
| 1 | 99,981 | 102,174 | 102,635 | |
| 2 | 4,302 | 4,555 | 4,993 | |
| 3 | 10,020 | 10,587 | 10,601 | |
| 4 | 9,814 | 10,268 | 9,996 | |
| 5 | 1,752 | 1,994 | 1,082 | |
| 6 | 83 | 85 | 83 | |
| 7 | 234 | 238 | 234 | |
| 8 | ― | ― | ― | |
| 9 | ― | ― | ― | |
| 10 | ― | ― | ― | |
| 11 | ― | ― | ― | |
| 12 | 123 | 145 | 139 | |
| 13 | 63 | 69 | 66 | |
| 14 | ― | ― | ― | |
| 15 | ― | ― | ― | |
| Upstream (Categories 1–8) total | 126,186 | 129,901 | 129,623 | |
| Downstream (Categories 9–15) total | 185 | 213 | 206 |
As of November 2, 2026
- Scope 3: Indirect greenhouse gas emissions related to business activities, excluding Scope 1 and Scope 2 emissions
Water Resources
Use of Water Resources
| Item (Unit: ML) | Category | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|
| Total Water Withdrawal | 1,176 | 1,236 | 1,270 | |
| Tap Water and Industrial Water | 1,122 | 1,198 | 1,208 | |
| Groundwater | 54 | 38 | 62 | |
| Total Water Discharge | 1,060 | 1,119 | 1,108 | |
| Rivers | 844 | 881 | 844 | |
| Sewage | 217 | 238 | 264 | |
| Total Water Consumption | 116 | 118 | 162 | |
As of November 2, 2026
Pollution Prevention and Resource Circulation
Waste
| Item | Unit | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|
| General Industrial Waste | t | 6,556 | 6,922 | 6,549 |
| Specially Controlled Industrial Waste* | t | 326 | 330 | 66 |
| Industrial Waste Recycling Rate | ― | 95% | 94% | 95% |
As of November 2, 2026
- *Nagase Viita defines “specially controlled industrial waste,” which includes waste with explosive, toxic, infectious, or other hazardous properties as specified under Japan’s Waste Management and Public Cleansing Act, as hazardous waste.