"After a decade of frank internal discussions on global warming & conducting unbiased studies on it, Exxon changed direction in 1989 & spent more than 20 years discrediting the research its own scientists had once confirmed."
"After a decade of frank internal discussions on global warming & conducting unbiased studies on it, Exxon changed direction in 1989 & spent more than 20 years discrediting the research its own scientists had once confirmed."