A district court granted a motion to preliminarily enjoin the Trump Administration from using military funds to build portions of a border wall along the U.S.-Mexico border. El Paso County and a nonprofit group argued that the president's proposed plan for funding border barrier construction—diver...

The Fifth Circuit upheld EPA's approval of Louisiana's SIP for controlling regional haze. Environmental groups challenged the approval of Louisiana's selection of low-sulfur coal over a more effective pollutant control as the best available retrofit technology to curb emissions at a coal-fired power...

A district court dismissed a lawsuit brought by a Hawaiian resident alleging that an early start to a county construction project harmed two endangered species—the Hawaiian hawk and Hawaiian hoary bat—in violation of the ESA. The resident argued that the county violated its EIS by allowing const...

A district court denied a motion for summary judgment against the U.S. Army Corps of Engineers and Customs and Border Protection for failure to disclose under FOIA information related to construction of a wall along the Mexican border. An environmental group argued the agencies improperly withheld i...

A district court ordered an electric utility company to obtain a PSD permit to address CAA violations at its coal-fired power plant in Festus, Missouri. EPA argued that the company increased the risk of negative health impacts and premature deaths by releasing excess tons of sulfur dioxide from its ...