The Fourth Circuit reversed a lower court's grant of summary judgment requiring EPA and West Virginia to address coal mining-related water pollution. Environmental groups argued that EPA failed to perform its nondiscretionary duty under the CWA to promulgate TMDLs for biologically impaired waters in...

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...