1975 National Academy of Sciences report showing that 20th century temperatures peaked in the late 1930’s.

Climategate emails show that the hockey team was looking for ways to get rid of the 1940’s temperature spike. They did exactly that, and the spike is now completely gone.

The 1930’s and 1940’s were very hot, and the poles were rapidly melting

By the 1970’s, the Earth was much colder and ice was rapidly growing

The reality of the climate was that global temperature is not driven by CO2. This information would destroy their funding and reputation, so the world’s top climate scientists simply created a fraudulent temperature record to keep their scam alive.