Summary This presentation entitled “Potential Enhanced Greenhouse Gas Effects: Status and Outlook” was made by Duane Levine, Exxon’s manager of science and strategy development, to Exxon’s Board of Directors on February 22, 1989. The presentation evidences Exxon’s shift from a leader in climate change research to an advocate against the dissemination of climate change information in the … Continue reading 1989 Presentation to Exxon Board of Directors on Greenhouse Gas Effects