On September 30, 2021, the EPA once again signaled a policy change on what provisions a state can include in its Clean Air Act State Implementation Plan (“SIP”) for exemptions and affirmative defenses during periods of startup, shutdown, and malfunction (“SSM”). This most recent action revokes the EPA guidance issued nearly a year earlier in
On February 5, 2021, the Fish Wildlife Service (“FWS”), under the Biden administration, announced that it was delaying the effective date of a rule promulgated by the Trump administration regarding “incidental takes” and the Migratory Bird Treaty Act (“MBTA”). On January 7, 2021, the Trump administration published a final rule interpreting the MBTA as not