The Fourth Circuit held that a biological opinion issued by the National Marine Fisheries Service as part of EPA's process of reregistering the insecticides chlorpyrifos, diazinon, and malathion is subject to judicial review under the APA. The Service's biological opinion concluded that the...

A California court issued a tentative ruling that would require the California Air Resources Board to set aside its "functional equivalent document" that evaluates the environmental consequences of its climate change scoping plan and to enjoin implementation of the scoping plan until the age...

A district court dismissed landowners' OPA claim against a company for damages stemming from an oil spill in the Verdigris River in Kansas, but denied the company's motion to dismiss the landowners' nuisance claim. The landowners failed to file their OPA claim within the three-year statute o...

The Fourth Circuit held that the Tax Injunction Act does not bar the owner of a power plant from challenging an excise tax on carbon dioxide emissions. A lower court ruled that it lacked jurisdiction under the Tax Injunction Act because the carbon charge was a tax. But of all the carbon dioxide...

The U.S. Supreme Court held that the CAA displaces any federal common law right to seek abatement of carbon dioxide (CO2) emissions from fossil-fuel fired power plants. A group of states, private land trusts, and a city a filed suit against four power companies and the TVA claiming that their e...

A California court ordered the California Air Resources Board to set aside its "functional equivalent document" and scoping plan to reduce greenhouse gases as it relates to cap and trade. The court ruled that the board inadequately described and analyzed project alternatives in violation of the...

The D.C. Circuit denied a petition for review challenging EPA's decision granting California a waiver from federal preemption under the CAA that allows the state to implement its own regulations requiring automobile manufacturers to reduce fleet-average greenhouse gas emissions from new motor vehicl...