WATCH THE FULL DOCUMENTARY or READ THE TRANSCRIPTS with sourced links.  https://www.corbettreport.com/bigoil/ "...But perhaps the most remarkable thing about Strong, this ubiquitous figure of the 20th century environmental movement, was his background: a Rockefeller-connected millionaire from the Alberta oil patch who divided his time between environmental campaigning and running major oil companies..." (5 minute video) Big Oil "Environmentalism" - Why Big Oil Conquered The World