A district court held that EPA failed to act when it did not rule within 60 days on Connecticut's petition concerning upwind pollution. In June 2016, Connecticut filed a petition pursuant to §126(b) of the CAA for EPA to make a finding that Brunner Island is emitting air pollutants that significant...

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...

The First Circuit held that a pesticide company is not liable for cleaning up PCB-laden caulk installed in a Massachusetts middle school in the 1960s. Before August 1970, the pesticide company sold PCB mixtures to formulators of building materials, who then incorporated them into various end product...

A California appellate court held that three paint companies will have to reimburse the state for the cost of stripping lead paint from the interior of thousands of houses in San Francisco and nine other cities and counties. The state claimed the companies sold and advertised lead paint for resident...