Thirty-five yearsBut it was actually 35 years before that – fully 70 years ago this month – that the danger of carbon dioxide build-up in the atmosphere first travelled around the world. Plass had become interested in the question of carbon dioxide build-up while working for the Ford Motor Company. And he was present at the first major meetings to discuss carbon dioxide build up. Meanwhile, the carbon dioxide theory started getting more coverage among science journalists. In 1965 President Lyndon Johnson even name-checked carbon dioxide build-up in an address to Congress.

Source: The Hindu May 15, 2023 20:55 UTC