Massachusetts Attorney General Maura Healey
Credit: Jessica Rinaldi/The Boston Globe/Getty

The U.S. Supreme Court on Monday declined to take up ExxonMobil’s latest attempt to block Massachusetts’ investigation into whether the oil giant misled the public and investors about climate change.

The decision clears the way for state Attorney General Maura Healey to force the company to turn over records as her office probes whether Exxon concealed its knowledge of the role fossil fuels play in global warming.

Those records could open a window into the company’s internal discussions, including its handling of financial and climate data as it charted its business path going back decades.

Exxon has fought Healey in state and federal court for more than two years, but the courts have repeatedly backed her authority. Last year the Massachusetts Supreme Judicial Court upheld her right to investigate. Exxon asked the U.S. Supreme Court to review that decision, but the justices decided not to hear the case.

Healey’s office praised the high court’s denial, which was issued without comment.

“The law is clear. The Attorney General’s Office has […]