The D.C. Circuit, in a 162-page opinion, granted in part and denied in part petitions challenging three EPA rules setting NESHAPs for industrial, commercial, and institutional boilers and commercial and industrial solid waste incinerator (CISWI) units. The petitioners brought approximately 30 challe...

The D.C. Circuit upheld EPA's compliance deadlines for states to meet the NAAQS for fine particulate matter (PM2.5). The court previously had ruled that the framework EPA had been applying to PM2.5 was incorrect, and ordered the Agency to apply a stricter statutory framework. EPA then promulgated th...

The Fifth Circuit stayed EPA's regional haze plan for Oklahoma and Texas until the underlying petitions for review challenging the rule are resolved. Texas, energy companies, power plants, and others challenged EPA's action disapproving Oklahoma's and Texas' plans and imposing its own plans instead....

A district court held that the U.S. Forest Service violated NEPA in connection with its approval of the "CuMo" project, a five-year mining exploration project located within the Boise National Forest in Idaho. The Forest Service failed to take a hard look at the project's impacts on the Sacajawea’...

The Ninth Circuit reversed and remanded a lower court's dismissal of a lawsuit filed by commercial fishermen challenging FWS' decision to terminate the southern sea otter translocation program off the coast of California. Due to the threatened species' vulnerability to extinction from oil spills, en...