Exxon Mobil , under fire over its past efforts to undercut climate science , is accusing the Rockefeller family of masterminding a conspiracy against it. Yes, that Rockefeller family. The company, which has been accused of scheming to pay surrogates to deny the threat of climate change , is trying to turn the tables by calling its opponents the real conspirators. It is fighting state attorneys general, journalists and environmental groups in an all-out campaign to defend its image.