just the start, too.

https://www.scientificamerican.com/article/exxon-knew-about-climate-change-almost-40-years-ago/

https://commonhome.georgetown.edu/topics/climateenergy/defense-denial-and-disinformation-uncovering-the-oil-industrys-early-knowledge-of-climate-change/

https://theconversation.com/what-big-oil-knew-about-climate-change-in-its-own-words-170642

https://www.motherjones.com/politics/2024/01/desmog-fossil-fuel-industry-climate-risks-1950s-denial/