The Court held that the U.S. Environmental Protection Agency (EPA) has the statutory authority to regulate greenhouse gases (GHGs) from new motor vehicles. The case arose after private organizations petitioned EPA to begin regulating four GHGs, including carbon dioxid (CO2), under the Clean Air Act....

The Ninth Circuit denied petitions challenging FERC orders that retroactively reset the market rates that were charged in the California electricity markets during the state's energy crisis of 2000 and 2001. After California deregulated and restructured its electricity market in the mid-1990s, price...

A district court dismissed environmental groups' lawsuits challenging BLM's decision to authorize the leasing of certain public lands in northeastern Wyoming for coal mining operations. The groups, who claim that BLM failed to prepare an adequate EIS before authorizing the leasing of the tracts at i...

A district court denied environmental groups' motion to preliminarily enjoin the construction of segments of the Keystone XL pipeline. After an oil company's original request to complete the Keystone XL pipeline was denied by President Obama in 2011, the company sought to divide its original interco...