In 2025, Usiminas 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 | 28,417,405.69a | 3,262,055.37a | 2,875,815.16a | |
Total Waste Recovered | 28,350,214.8a | 3,193,035.78a | 2,815,490.16a | |
Total Hazardous Waste Generated | 53,037.68a | 21,598.56a | 17,182.04a | |
Non-Hazardous Waste Disposed | 62,435.65a | 56,501.07a | 47,729a |
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In 2025, Usiminas generated a total of 28,417,406metric tonnes of waste.a
Of this amount, 99.76% of Usiminas's total waste generated was recovered through methods such as recycling, reuse, or composting, while 0.31% was disposed of through landfilling, incineration, or combustion.a
In 2025, Usiminas reported a total waste generation of 28,417,406 metric tonnes, of which 99.76% was recovered through recycling, reuse, or composting.This high recovery rate suggests that Usiminas has implemented strong circular economy practices and actively prioritizes sustainable waste management.a
Since 2023, Usiminas's total waste generation increased by 888.15%, including a 771.15%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, Usiminas's waste recovery rate increased by 1.9%, including a 1.92% rise in 2025, indicating growing emphasis on circularity and improved operational practices for diverting waste from disposal.a
Overall, Usiminas 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, Usiminas generated a total of 28,417,406 metric tonnes of waste.a
Of this amount, 0.19% of Usiminas'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.99.82% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a
Since 2023, Usiminas's total waste generation increased by 888.15%, including a 771.15% 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, Usiminas reduced the hazardousness of its waste by 68.76%, with a further 71.81% decline in 2025, suggesting a sustained and meaningful shift toward safer waste profiles and lower environmental impact.a
Overall, Usiminas is generating more waste but has significantly reduced the share of hazardous materials, suggesting a partial decoupling of volume and toxicity that could reflect more responsible inputs or enhanced treatment.a
In 2025, Usiminas reported that 53,038 metric tonnes of its total waste output were classified as hazardous. This represents 0.19% of its overall waste generation.a
The company treated this hazardous waste using a combination of methods.Approximately 49.83% was managed through recovery methods, indicating a moderate integration of circular practices into its hazardous waste management. However, a significant share was still directed toward disposal, highlighting room for improvement in reducing the long-term impact of hazardous materials.a