In 2025, GSK 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 | 45,400a | 52,300a | 52,500a | |
Total Waste Recovered | N/A | N/A | N/A | |
Total Hazardous Waste Generated | 14,200a | 18,900a | 18,300a | |
Non-Hazardous Waste Disposed | N/A | N/A | N/A |
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In 2025, GSK generated a total of 45,400 metric tonnes of waste.a
Of this amount, 31.28% of GSK'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.54.85% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.The remaining 13.88% was either treated using unspecified methods or not clearly categorized.a
Since 2022, GSK's total waste generation decreased by 9.74%, with an additional 13.19% decline in 2025, suggesting a consistent and deliberate effort to minimize waste generation at the source.a
Over the same period, GSK reduced the hazardousness of its waste by 18.06%, with a further 13.45% decline in 2025, suggesting a sustained and meaningful shift toward safer waste profiles and lower environmental impact.a
Overall, GSK has made consistent and substantial progress in reducing both the quantity and the danger of its waste, highlighting a strong, well-executed waste strategy focused on minimizing environmental impact.a