You seem to be conflating data with projections.
We have much more complete and accurate data from the financial sector, yet we have no model that will accurately predict it.
With climate change, we have less data and many more variables, yet we're supposed to be absolutely certain the models are accurate.
I do not doubt that the Earth is warming, nor do I doubt that human activity has an impact on that, but it the problem is CO2, why are we shutting down nuclear and hydro?
Why are we compelling people to burn wood and dung when they could be burning gas?