In 2025, Gilead Sciences 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 | 9,972a | 11,113a | 12,703a | |
Total Waste Recovered | N/A | N/A | N/A | |
Total Hazardous Waste Generated | 3,742a | 4,345a | 3,835a | |
Non-Hazardous Waste Disposed | 6,230a | 6,768a | 8,868a |
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In 2025, Gilead Sciences generated a total of 9,972 metric tonnes of waste.a
Of this amount, 37.53% of Gilead Sciences'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.62.47% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a
Since 2019, Gilead Sciences's total waste generation decreased by 53.56%, with an additional 10.27% decline in 2025, suggesting a consistent and deliberate effort to minimize waste generation at the source.a
Over the same period, Gilead Sciences saw a long-term increase of 118.95% in hazardous waste share, but a 4.02% reduction in 2025, indicating a recent improvement that may reflect updated production inputs, enhanced treatment, or stricter controls.a
Overall, while Gilead Sciences is generating less waste and has made recent gains in reducing hazardousness, the long-term increase in harmful materials still casts doubt on the sustainability of its waste stream.a