FWS proposed to list the pygmy three-toed sloth as a threatened species under the ESA, with a rule issued under §4(d) of the Act. 

FWS initiated five-year status reviews for 100 species in American Sāmoa, California, Hawaii, Idaho, Oregon, and Washington under the ESA. 

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. 

EPA announced the availability of and seeks comment on the 2024 draft risk evaluation for formaldehyde prepared under TSCA. 

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. 

EPA entered into a proposed settlement agreement in Ecology Center v. U.S. EPA, No. 23-70158 (9th Cir.), that would resolve all claims in the case by establishing deadlines for EPA to take final action regarding a rulemaking under TSCA regulating lead wheel weights.