Let me reply to a few of your reports and then tell you what I know. 50 natural and 50 natural+forcings models have been looked at. From the industrialization to 30 years ago, natural worked. Now, for 30 years it is humanity as the only explanation. Also the 6 to 8 degrees has not been scaled back. The thing about the 0.5 degree is that now its accelerating.
OK so here are some things that I know, in my own words.
Climate models do not just show the Arctic Ocean melting, the rain forests being cut down, or cities polluting the skies. They involve everything from the ground to the sky. They put cubes to cover the earth and add layers to get to the highest atmosphere.
Each cube is measured for how much heat it produces, how much it consumes, and how much it sends and receives heat from neighboring cubes.
This is called a huge set of differential equations. We cannot solve the equations but we can approximate them as close as we want, given time. Also, to account for cities some of the cubes could fit the cities. More cubes and better approximations keep coming with greater computer power.
But don’t worry about it being incorrect because the models already match the data. There were some 50 climate models that were looked at that included only natural forcings (only natural forces) and some 50 that included human forcings too. Both models were consistent with each other until about 30 years ago. In other words, the industrialization of the world did not have an impact until about 30 years ago. After 30 years, they have done all these models on 6 continents. In every continent, the temperature could only be explained by human models, and was virtually all due to humans. I say virtually just because one continent had all the natural and natural+human models intersect slightly. However the temperature is always only explained by humanity.
Better models will arise but we already know!