this is what the oil industry in USA had to say about CO2 in 1980:
CLIMATE MODELING - CONCLUSIONS
LIKELY IMPACTS
1C RISE (2005) : BARELY NOTICEABLE
2.5C RISE (2038) : MAJOR ECONOMIC CONSEQUENCES, STRONG REGIONAL DEPENDENCE
5C RISE (2067) : GLOBALLY CATASTROPHIC EFFECTS
https://insideclimatenews.org/sites/default/files/documents/...just saying