The Nebraska Department of Environment and Energy announced six major seed companies are pledging to address ongoing pesticide contamination by the AltEn ethanol plant in Mead. The AltEn Facility Response Group, including companies like Bayer, Syngenta, and Corteva, applied to the Nebraska Voluntary Cleanup Program. In a statement, the Nebraska Department of Environment and Energy said the state-run program allows private entities to plan and pay for environmental remediation efforts.