The D.C. Circuit held that EPA did not violate the CAA by modifying, without notice and comment, its prior understandings of how to measure a proposed transportation project’s impact on ambient levels of particulate matter. In 2006, EPA revised “hot spot" regulations for fine particulate matter....

A district court held that a group of North Dakota property owners could not sue contractors hired to negotiate easements for the Dakota Access pipeline for misrepresentation and fraud. The contractors were hired to obtain easements from property owners to secure a path for the Dakota Access pipelin...

A district court held that BLM violated the APA when it postponed compliance with Obama-era greenhouse gas emission rules. Several states and tribal citizen groups brought suit against BLM when it published a notice in the Federal Register postponing compliance dates for certain sections of the Wast...