Yes, they knew. And most US law makers also knew but denied it. And not long after the public knew. You know who still isn’t acting? MOST OF THE AMERICAN PUBLIC.
We don’t get a pass. The 10% of the Global North, especially in the US, continue to live lifestyles of over-consumption, air travel, maximum heating/cooling comfort, oversized houses, oversized vehicles. TODAY. WE KNOW.
US oil company ran 1977 article predicting climate crisis could cause starvation | The Guardian
Marathon Petroleum predecessor warned of potential for ‘social and economic calamities’ in decades-old publication