In 2024, Obayashi conducted an environmental assessment and disclosed corporate waste management data in accordance with recognized sustainability reporting standards.The company provided a breakdown of its waste by type (hazardous vs non-hazardous) and treatment method (recovery vs disposal), enabling greater transparency into its waste handling and environmental practices.
| Metric (tonnes) | 2024 | 2023 | 2022 | 2021-2019 |
|---|---|---|---|---|
Total Waste Generated | 2,469,000a | 2,161,000a | 2,517,000a | |
Total Waste Recovered | N/A | N/A | N/A | |
Total Hazardous Waste Generated | 3,761a | 5,826a | 5,475a | |
Non-Hazardous Waste Disposed | N/A | N/A | N/A |
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