A district court vacated the government's approval of on-the-ground mining exploration activities in a part of western Colorado's North Fork Valley and enjoined the intervening mining companies from proceeding with the project until the agencies comply with NEPA. Although the federal agencies provid...

The D.C. Circuit dismissed teenagers' lawsuit against the federal government for failing to cap greenhouse gas emissions. Invoking the federal question statute, 28 U.S.C. §1331, as the basis for subject matter jurisdiction, the minors alleged that the federal defendants are trustees of essential na...

A district court held that Minnesota's New Generation Energy Act, which establishes energy and environmental standards related to carbon dioxide emissions, constitutes impermissible extraterritorial legislation and is a per se violation of the dormant Commerce Clause. The statute's plain language ap...