Your question appears to be a non-sequitur since their carbon footprint was not anything close to an existential risk, and would make no contribution to existential risk from climate change today either.
At the time, the largest existential risks to humanity would have been things they were already concerned about and working to reduce: disease and famine.
Your question appears to be a non-sequitur since their carbon footprint was not anything close to an existential risk, and would make no contribution to existential risk from climate change today either.
At the time, the largest existential risks to humanity would have been things they were already concerned about and working to reduce: disease and famine.