In 2025, Ionis Pharmaceuticals 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), enabling greater transparency into its waste handling and environmental practices.
| Metric (tonnes) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Waste Generated | N/A | N/A | N/A | |
Total Waste Recovered | N/A | N/A | N/A | |
Total Hazardous Waste Generated | 297a | 297a | 247a | |
Non-Hazardous Waste Disposed | 290a | 293a | 387a |
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