The Ninth Circuit held that NOAA did not go beyond its authority when it took climate change into account when considering the ESA status of the Arctic ringed seal. In 2012, NOAA listed the Arctic ringed seal as threatened based on projected sea ice loss. Oil and gas companies challenged the ruling,...

The D.C. Circuit held that EPA unlawfully revoked the 1997 ozone NAAQS when it implemented the 2008 standard. In 2008, EPA set the ozone NAAQS at 75 parts per billion (ppb). In 2015, when implementing the standard, the Agency eliminated the 1997 standard of 84 ppb on the grounds that it was impossib...