A district court dismissed as moot a yearslong lawsuit challenging President Trump's issuance of a presidential permit in 2019 for construction of a cross-border segment of the Keystone XL oil pipeline. Environmental groups had argued the former president violated the Property Clause, the Commerce C...

A district court granted in part environmental groups' motion for summary judgment in a challenge to BLM's issuance of a 2018 instruction memorandum on greater sage grouse conservation and and subsequent oil and gas lease sales in Nevada and Wyoming. Environmental groups argued the lease sales confl...

The Ninth Circuit affirmed summary judgment for FWS in a challenge to its barred owl removal experiment, which was designed to protect the threatened northern spotted owl. Environmental groups argued FWS violated the ESA by issuing a permit that failed to provide a "net conservation benefit," and NE...