The Montana Supreme Court held that owners of private land within a Superfund site can proceed with a compensation suit against an oil company to restore their properties beyond the remedies approved by EPA for the Superfund site as a whole. An oil company entered into a consent decree with EPA to r...

The Federal Circuit held that the state of California did not infringe on an emissions trading-related patent, allowing the state's greenhouse gas emissions cap-and-trade program to continue. The plaintiff owns a U.S. patent that covers a method and apparatus for using electronic systems to claim an...

A district court held that an insurance company cannot back out of an insurance policy because a policyholder entered into a voluntary environmental cleanup agreement. The policyholder agreed to sell its land and allowed the buyer to do an environmental assessment. When contamination was discovered,...

A California appellate court reversed a lower court's judgment that directed a state water resources agency to file a report of waste discharges in violation of the state water quality law. An environmental organization alleged that the agency failed to institute measures to mitigate the flow of con...

A district court held that the federal government must answer claims that it is liable for the cleanup of World War II-era hazardous waste from 12 oil refineries in seven states. Property owners brought a contribution claim against the U.S. government under CERCLA, claiming that the government exerc...