What did Exxon know and when did they know it, will it be like the tobacco industry's debacle of deniability?

Massachusetts' attorney general is trying to force Exxon to turn over decades of records involving what it knew about climate change and what it told the public.

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

Source: U.S. Supreme Court Refuses to Block Exxon Climate Fraud Investigation | InsideClimate News