A district court dismissed individuals' CAA citizen suit against an oil company for emission violations at the company's refinery, olefins plant, and chemical plant in Baytown, Texas. It is undisputed the company violated some emission standards or limitations under its Title V permit. Indeed, it is...

The D.C. Circuit held that EPA's regulations implementing the 2008 NAAQS for ozone exceed the Agency’s authority under the CAA. In 2008, EPA revised and strengthened the standards for ozone pursuant to the CAA. One of the revisions extended the deadline for some regions to attain the new standards...

A California appellate court held that the San Diego Association of Governments (SANDAG) failed to adequately consider greenhouse gas emissions impacts in violation of the California Environmental Quality Act (CEQA) during its preparation of its 2050 regional transportation plan. A lower court ruled...

The Ninth Circuit upheld a lower court decision dismissing an environmental group's citizen suit requesting EPA to issue more stringent regulations for ozone pollution under the PSD program. The group alleged that the EPA Administrator has a nondiscretionary duty to issue revised ozone regulations u...

A California appellate court held that San Diego County's adoption of a climate action plan violated the California Environmental Quality Act (CEQA). Pursuant to the California Global Warming Solutions Act of 2006, the county issued a program environmental impact report (PEIR) and adopted a number o...

The Ninth Circuit held that DOT did not violate the CAA or NEPA in its approval of a planned expressway connecting the Ports of Los Angeles and Long Beach, California. In the course of the project’s approval process, DOT conducted an air quality conformity determination under the CAA, which involv...