The Third Circuit granted a petition to review EPA's approval of Pennsylvania's proposed NAAQS for ozone. An environmental group argued the standards wrongly claimed to reduce pollution output at the state's most advanced coal-burning power plants while "simply rubberstamping an average of current p...

A district court granted summary judgment for conservation groups in a lawsuit alleging that the Army Corps of Engineers' continued operation and maintenance of a flood control project in the Pacific Northwest violated the ESA. The groups argued the Corps was violating §7(a)(2) by operating and mai...

A district court vacated DOI's 2017 policy allowing incidental takings and killings of migratory birds. Environmental groups and states challenged the policy, arguing that it violated the Migratory Bird Treaty Act (MBTA) by interpreting the Act as only prohibiting takes or kills resulting from activ...

A district court denied a motion to dismiss or stay a challenge to the Bureau of Reclamation's alleged ongoing, unpermitted take of bull trout near Glacier National Park. An environmental group argued the Bureau's water control and delivery structures that were part of its irrigation project near th...

The D.C. Circuit denied in part and dismissed in part a petition to review EPA's guidance concerning the process of certifying cellulosic biofuel. A biofuel company argued the guidance was a legislative rule that was invalidly promulgated without notice and comment, conflicted with the regulation it...