A district court denied public interest groups' motion for partial summary judgment in challenging an executive order that requires federal agencies to repeal two existing rules for each new rule promulgated.

A district court denied motions to remand and vacate EPA's decision to allow a no-discharge zone in Puget Sound.

A district court granted in part and denied in part a motion for summary judgment in a challenge to the U.S. Forest Service's approval of a mining company's permit to explore for gold in the Caribou-Targhee National Forest.

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.

A district court vacated grazing permits renewed by former Interior Secretary Ryan Zinke in response to a presidential pardon of a ranching company's prior criminal convictions.

A district court denied the U.S. Navy's motion to stay a lawsuit concerning the release of perfluorochemicals from naval facilities in eastern Pennsylvania.

The D.C. Circuit affirmed a district court decision that upheld President Barack Obama's 2016 proclamation of the Northeast Canyons and Seamounts Marine National Monument off the New England coast.

The Seventh Circuit affirmed summary judgment for NPS in a lawsuit concerning acceptable activities on land acquired by Wisconsin through the Federal Land to Parks Program for recreational use.

The Ninth Circuit affirmed judgment for environmental groups in a CWA challenge to compel EPA to develop and issue long-overdue temperature TMDLs for the Columbia and Snake Rivers.