The D.C. Circuit denied two petitions to review EPA attainment designations for the 2010 sulfur dioxide NAAQS. An environmental group argued that the Agency should have designated Gallia County, Ohio, as a nonattainment area rather than an unclassifiable area because air quality modeling data submit...

A district court upheld President Barack Obama's 2016 proclamation of the Northeast Canyons and Seamounts off the New England coast as a marine national monument. Commercial fishing associations argued that the monument exceeded the president's authority under the Antiquities Act because it lies ent...