I guess it was to show you and others here that the science is NOT settled in certain areas; that rather than a monolithic conspiracy to "raise your taxes", the reality is that there are differences of opinion and differences in results across all of the research community.<quoted text>
They sound confused. They contradict each other and have different conclusions. What was the purpose of this? To show us how much they really don't know?
To use a simile oft applied to Congress, it like seeing how sausages are made.
The science of global warming itself, the big picture, is settled. The mechanism, the chemistry, and the physics are basic and undeniable.
The Earth is warming.
We are causing it.
There are things we can do about it.