ScientificAmerican: Exxon Knew about Climate Change Almost 40 Years Ago

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

"A new investigation shows the oil company understood the science before it became a public issue and spent millions to promote misinformation"

VIDEO: Merchants of Doubt (English Movie)

https://www.youtube.com/watch?v=7YmRovaSYkE