The Ninth Circuit upheld the dismissal of shareholders' derivative action against a solar panel company for failing to disclose in financial statements and press releases the existence of manufacturing and design defects. The shareholders alleged that the officers and directors of the company breach...

The Federal Circuit affirmed a lower court decision denying three Canadian solar manufacturers' and a U.S. importer's motion for preliminary injunction to bar the enforcement of presidentially imposed tariffs on solar products. The manufacturers and importer argued that imposition of a 30% tariff on...

Pennsylvania's highest court largely upheld a temporary injunction enjoining the state environmental agency from enforcing certain regulations governing unconventional oil and gas operations. The court reversed the lower court's issuance of the injunction on just two issues. Contrary to the ruling o...

A district court ordered EPA to issue federal implementation plans fully resolving interstate transport obligations under the CAA's "good neighbor" provision for the 2008 ozone NAAQS. EPA conceded that it missed the deadline to do so under the Act. The Agency also acknowledged that it was feasible t...

The Tenth Circuit refused to stay pending interlocutory appeal a lower court order staying BLM's waste prevention rule, which was issued to reduce the venting, flaring, and leaking of natural gas emissions during oil and gas production activities on onshore federal land. California, New Mexico, and ...

The D.C. Circuit upheld amendments EPA made to its CAA regional consistency regulations that allow regional offices to act counter to national policies when ordered to do so by federal circuit courts. EPA issued the amended regulations in 2016 in response to the D.C. Circuit's decision in National E...