U.S. Still Weighing Next Steps in California Climate Pact Case

The Trump administration is still weighing how to proceed in a major constitutional challenge to California’s climate pact with Quebec, after a federal court last week scrapped two of the U.S. government’s main legal arguments.

Assistant Attorney General Jeffrey Bossert Clark, head of the Justice Department’s environment division, said it would be premature for him to comment on how the government plans to handle its remaining claims against the climate program, or whether it intends to appeal the recent ruling.

He spoke to an almost-empty room at Case Western Reserve University, with his comments webcast Monday to accommodate precautions about ...