In 2025, SK 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 | 219.1a | 140.4a | 493.8a | |
Total Waste Recovered | 199.3a | 125.5a | 462.1a | |
Total Hazardous Waste Generated | 4.6a | 1a | 380.4a | |
Non-Hazardous Waste Disposed | 19.2a | 14.9a | 7.3a |
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In 2025, SK generated a total of 219metric tonnes of waste.a
Of this amount, 90.96% of SK's total waste generated was recovered through methods such as recycling, reuse, or composting, while 9.04% was disposed of through landfilling, incineration, or combustion.a
In 2025, SK reported a total waste generation of 219 metric tonnes, of which 90.96% was recovered through recycling, reuse, or composting.This high recovery rate suggests that SK has implemented strong circular economy practices and actively prioritizes sustainable waste management.a
Since 2022, SK's total waste generation increased by 160.52%, including a 56.05%increase in 2025, indicating a persistent upward trend that may reflect scaling operations, inefficiencies in resource use, or a lack of effective waste minimization practices.a
Over the same period, SK's waste recovery rate increased by 160.2%, including a 1.76% rise in 2025, indicating growing emphasis on circularity and improved operational practices for diverting waste from disposal.a
Overall, SK has seen a consistent rise in waste generation both over the long term and in the year 2025. However, the company has also steadily improved its waste recovery performance, suggesting that it is actively working to offset the environmental consequences of increased production through enhanced circularity efforts.
In 2025, SK generated a total of 219 metric tonnes of waste.a
Of this amount, 2.1% of SK'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.97.85% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a
Since 2022, SK's total waste generation increased by 160.52%, including a 56.05% rise in 2025, reflecting a persistent upward trend that could be linked to operational growth, inefficient material use, or limited investment in waste prevention systems.a
Over the same period, the share of hazardous waste decreased by 74.78%, yet rose by 194.77% in 2025, potentially signaling operational variability, temporary setbacks, or less effective hazardous waste mitigation in the short term.a
Overall, SK's waste and hazardousness trends are mixed or inconclusive. A more detailed review of its materials, industry standards, and operational changes would help clarify the net environmental impact of its waste strategy.a
In 2025, SK reported that 5 metric tonnes of its total waste output were classified as hazardous. This represents 2.1% of its overall waste generation.a
The company treated this hazardous waste using a combination of methods.A majority (89.13%) was diverted from disposal through recovery-oriented treatments such as recycling or reuse. This suggests that SK has established processes to reduce the environmental burden of its most harmful waste streams.a