EPA proposed to revise regulations that allow for the open burning and detonation (OB/OD) of waste explosives by reducing OB/OD of waste explosives and increasing control of air emissions. 

United States v. Ameren Corp., No. 1:24-cv-00047 (E.D. Mo. Mar. 12, 2024). Under a proposed consent decree, settling CERCLA defendants must pay $6,074,739 and certain settling federal agencies must pay a further $600,798 for costs the United States incurred responding to releases of hazardous substances at the Missouri Electric Works Superfund site in Cape Girardeau, Missouri. 

FWS proposed to list the bushy whitlow-wort as an endangered species under the ESA, and to designate approximately 41.96 acres in Jim Hogg County, Texas, as critical habitat for the species. 

FWS proposed to remove the North Park phacelia from the Federal List of Endangered and Threatened Plants due to recovery. 

United States v. General Recycling of Washington, LLC, No. 2:24-cv-00329 (W.D. Wash. Mar. 12, 2024). Under a proposed consent decree, settling CERCLA, CWA, and OPA defendants must construct, monitor, and maintain a habitat restoration project and pay a total of $360,558.12 for assessment costs in connection with natural resource damages caused by releases of hazardous substances and discharges of oil from facilities located near the Lower Duwamish River. 

United States v. Crowley Marine Services, Inc., No. 2:24-cv-00307 (W.D. Wash. Mar. 7, 2024). Under a proposed consent decree, settling CERCLA, CWA, and OPA defendants must purchase credits in a habitat restoration project constructed along the Lower Duwamish River, pay a total of $210,000 for natural resource damages, and pay $64,325.63 to reimburse assessment costs in connection with natural resource damages caused by releases of hazardous substances and discharges of oil from facilities located along and near the river. 

FWS designated critical habitat for 12 endangered species on the island of Hawai‘i under the ESA. 

FWS designated approximately 1,160,625 acres in 13 Florida counties as critical habitat for the Florida bonneted bat under the ESA.

FWS removed the Florida golden aster from the Federal List of Endangered and Threatened Plants due to recovery. 

NMFS gave notice that all Middle Columbia River steelhead occurring in all accessible reaches upstream of Round Butte Dam on the Deschutes River in Oregon will be designated as threatened under the ESA when the nonessential experimental population designation and accompanying protective measures expire on January 15, 2025.