There never was any real-world evidence to support the theory of catastrophic anthropogenic global warming.
According to Richard Lindzen, Professor of Meteorology at MIT, the ‘consensus’ was declared before the research had even begun: “Future generations will wonder in bemused amazement that the early 21st century’s developed world went into hysterical panic over a globally averaged temperature increase of a few tenths of a degree, and, on the basis of gross exaggerations of highly uncertain computer projections combined into implausible chains of inference, proceeded to contemplate a roll-back of the industrial age.”
It has always been a media/political creation rather than a creation of science. John Cook of 97% fame, for example, is a cartoonist by trade, while Bill Nye the science guy is not a scientist, but an actor on a children’s TV program.
Just a couple of key things to note:
CO2 has never been a driver of climate. CO2 levels have been more than ten times higher than they are now, eg in the Mesozoic Era when corals flourished without any ill effects on anything, and positively beneficial effects for green plants.
There is no correlation between human use of fossil fuels and changes in global climate.
There is a very clear correlation between solar activity + PMO and AMO and changes in global rainfall and temperature.
Now very low solar activity is leading some scientists to take the view (one I have shared for the last fifteen years) that what we really need to be concerned about is the possibility of deep and extended cooling, and even of the end of the current inter-glacial. That would be genuinely catastrophic unless we focus now on developing all available energy sources, and improving crops to cope with much cooler conditions.