A district court held that a lawsuit challenging the Keystone XL pipeline can continue despite calls from the federal government to dismiss the case. On April 4, 2017, the State Department approved a presidential permit for the pipeline. In its approval, the State Department relied on a 2014 EIS con...
The D.C. Circuit held that EPA did not violate the CAA by modifying, without notice and comment, its prior understandings of how to measure a proposed transportation project’s impact on ambient levels of particulate matter. In 2006, EPA revised “hot spot" regulations for fine particulate matter....
A district court ordered EPA to issue infrastructure requirements for the 2012 fine particulate matter NAAQS for five states within 90 days. In 2015, New Jersey, Pennsylvania, Washington, Illinois, Massachusetts, and Rhode Island missed their deadlines to present compliance plans for the 2012 fine p...
The Tenth Circuit held that a Wyoming law that imposed civil and criminal liability on those who cross private property to access adjacent land to collect resource data violates the First Amendment. In 2015, Wyoming enacted a pair of statutes that prohibited individuals from entering “open land fo...
A district court denied EPA's request to amend a 2012 consent decree obligating the Agency to approve state regional haze plans. In 2011, environmental groups sued the Agency to compel it to take action on nine states' regional haze plans. Under a consent decree, EPA was given until September 9, 201...
The Ninth Circuit upheld a 2014 EPA settlement that required the Agency to set a phased schedule for it to issue air quality designations as required by a 2010 sulfur dioxide NAAQS. In 2013, when EPA missed the statutory deadline to issue its designations under the CAA, environmental groups sued to ...
The Tenth Circuit rejected EPA's decision to deny an oil company's request for an exemption from the blending requirement under the Renewable Fuel Standards Program of the CAA. In 2005, Congress amended the CAA to require refiners and importers to blend biofuels into gasoline to cut down on greenhou...
The Ninth Circuit held that the FAA did not act arbitrarily when it forewent a full EIS on a third runway at the Hillsboro Airport in Hillsboro, Oregon. In 2005, the airport, the busiest in the state of Oregon, developed a plan to deal with traffic that included the addition of a third runway. Since...