Building on 2023 legislation granting the Colorado Energy and Carbon Management Commission (ECMC) authority over wells used to inject and permanently sequester carbon dioxide (CO2), the Colorado General Assembly is...more
EPA Again Proposes to Regulate Greenhouse Gas Emissions from Power Plants -
Today, the Environmental Protection Agency (EPA) published new proposed rules in the Federal Register to regulate greenhouse gas (GHG) emissions...more
Late last month, the D.C. Circuit Court of Appeals heard oral arguments in Midwest Ozone Group v. EPA, the latest challenge to the Environmental Protection Agency’s (EPA) Cross-State Air Pollution Rule (CSAPR). The Good...more
The Environmental Protection Agency’s (“EPA’s”) guidance, issued Sept. 30, 2021, revoking the Trump-era Startup, Shutdown, and Malfunction (“SSM”) guidance signals difficult permitting decisions ahead for emitters across...more
As states continue to revise state implementation plans (SIP) to meet the requirements of the Clean Air Act (CAA), two recent decisions out of the Ninth Circuit Court of Appeals are likely to affect how contingency measures...more
On Friday Jan. 29, 2021, the United States Court of Appeals for the D.C. Circuit in Sierra Club v. EPA, Case No. 15-1465, struck down several provisions in EPA’s 2018 rule implementing the 2008 National Ambient Air Quality...more