In 2025, National Central Cooling 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) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Waste Generated | 124.73a | 100.69a | 278.08a | |
Total Waste Recovered | N/A | N/A | N/A | |
Total Hazardous Waste Generated | 48.21a | 17.44a | 11.99a | |
Non-Hazardous Waste Disposed | 76a | 82.8a | 265.64a |
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In 2025, National Central Cooling generated a total of 125 metric tonnes of waste.a
Of this amount, 38.65% of National Central Cooling's total waste generated of was classified as hazardous waste, characterized by properties such as toxicity, flammability, corrosiveness, or reactivity that may pose risks to human health, ecosystems, or the environment.61.35% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a
Since 2023, National Central Cooling's total waste generation fell by 55.15%, but rose by 23.88% in 2025, potentially reflecting a temporary surge in activity or inconsistency in waste control strategies.a
Over the same period, the share of hazardous waste in National Central Cooling's total output increased by 796.43%, including a further 123.15% rise in 2025, suggesting a troubling upward shift toward more environmentally harmful waste streams that could raise compliance costs and environmental risks.a
Overall, National Central Cooling had previously reduced its waste generation, but recent increases in both volume and hazardousness suggest potential reversals or emerging operational risks that warrant further investigation.a