On Dec. 18, 2025, the Colorado Air Quality Control Commission (Commission) adopted new, state-specific rules to regulate methane emissions from municipal solid waste (MSW) landfills. The Commission originally considered Regulation
Continue Reading Colorado Approves New Rules Regulating Methane Emissions from Landfills
On Sept. 5, 2025, the D.C. Circuit reversed EPA’s 2023 rule rescinding the “startup, shutdown and malfunction” (SSM) affirmative defense under the Title V permitting program. The decision carries implications for Title V programs nationwide and for stationary source regulations more broadly.
Continue Reading DC Circuit Reinstates Title V Emergency Affirmative Defense
On Sept. 4, 2025, EPA released its Semiannual Regulatory Agenda, signaling that the Agency is expected to continue to focus its deregulatory efforts on rules and regulations under the CAA in furtherance of this administration’s policy to increase domestic energy production and supply by easing rules on producers
Continue Reading Recent Federal Developments May Undercut the Clean Air Act
In June 2024, the U.S. Supreme Court issued its opinion in Loper Bright Enterprises v. Raimondo, No. 22-451, and Relentless, Inc. v. Dep’t of Commerce (U.S. June 28, 2024)
Continue Reading Assessing Loper Bright’s Potential Real-World Effects on Environmental Regulation
In a rulemaking closely watched by the transloading industry, the U.S. Environmental Protection Agency (EPA) issued a final rule on March 1, 2024, updating the Accidental Release Prevention Requirements and
Continue Reading EPA Finalizes New RMP Rule and Rejects Provision on Transloading
On Aug. 17, 2023, the U.S. Environmental Protection Agency (EPA) announced its final, revised National Enforcement and Compliance Initiatives (NECIs) for fiscal years 2024-2027, seven months after soliciting public comment
Continue Reading EPA Announces Its Final National Enforcement and Compliance Initiatives
The U.S. Department of Interior (DOI) is seeking public comments on new strategies to replace the 2007 Colorado River Interim Guidelines for Lower Basin Shortages and the Coordinated Operations for
Continue Reading Federal Government Continues Efforts to Reform Colorado River Operations
On May 22, 2023, the Lower Colorado Basin States comprised of California, Arizona, and Nevada agreed to voluntarily conserve three million acre-feet of water over the next three years. This
Continue Reading Lower Colorado Basin States’ Compromise on Water Conservation
The federal government recently has acted to address the effects of the “megadrought” in the western half of the United States. These steps include (1) allocation of historic funding amounts
Continue Reading The Federal Government’s Colorado River Rescue Efforts