“So what do we do with this information?”
If climatologists were serious about honestly studying GW they would be using Mars as an experimental control. Monitor the planetary temp of Mars over time and see if it tracks that of changes on Earth. If it does than GW has nothing to do with atmospheric changes and is due to solar or other unknown factors.
NASA did research on that. Mars increased in temp at the same rate as Earth. It was determined to be driven fully by solar cycles. Man made global warming is a fraud and even though NASA is now claiming otherwise... in the past they proved it was a fraud.