Despite tens of billions of dollars of research.
Check out this NYTimes article from October 28, 1956 and compare with what is known and claimed by warmists today.
Note the predicted temperature rise per century of 1.1C. If anything, climate research has debunked CO2 alarmism.
This was *before* the ‘Coming Ice Age’ panic of the 70’s. Alarmism is a slave to fashion.
Would you want it to progress when you are on the gravy train and don’t want it to end?