Internal files add to evidence of an ExxonMobil climate deception campaign
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Nicholas Kusnetz, Inside Climate News
• October 8, 2026
Internal files released in a Massachusetts lawsuit against ExxonMobil add to evidence of a long-term deception campaign regarding climate change. These documents, part of a batch previously undisclosed, include warnings from Frank Sprow in 1988 that a worldwide consensus on greenhouse gas effects could negatively impact the company. They also contain recent statements from Exxon scientists challenging the feasibility of its public claims about biofuels and carbon capture technology. Experts say these records provide new details on internal deliberations from the 1980s to the 2010s, aligning with hundreds of other confidential files already reported by news organizations and legal sources.