A district court denied a motion to dismiss a challenge to President Trump's issuance of a permit authorizing a pipeline company to construct a cross-border segment of the Keystone XL oil pipeline…

The Court of Federal Claims held the U.S. government liable for the flooding of homes and businesses near two dams managed by the U.S. Army Corps of Engineers in Houston during Hurricane Harvey.…

A district court preliminarily enjoined Iowa from enforcing a statute that criminalized undercover investigations of slaughterhouses and other animal facilities. Environmental groups argued that…

The U.S. Claims Court granted in part and denied in part the U.S. government's motion for summary judgment in a challenge against FWS for rerouting spring waters that had previously flowed through…

A district court denied a neighborhood group's request to temporarily block bison hunting near Yellowstone National Park. The group argued that NPS and USDA violated NEPA when they authorized an…

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…

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…

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…

The Fifth Circuit dismissed environmental groups' challenge to EPA's issuance of a CWA general permit authorizing discharges from oil and gas facilities operating in the Gulf of Mexico.…