Big Data From Medieval Period Busts Modern Global Warming Conclusions

These climate researchers will not be widely praised for their conclusions, but the evidence speaks for itself: Man does not cause global warming or cooling. ⁃ TN EditorAccording to author Leo Tolstoy, born at the very end of the Little Ice Age, in quite a cold country:
The most difficult subjects can be explained to the most slow-witted man if he has not formed any idea of them already; but the simplest thing cannot be made clear to the most intelligent man if he is firmly persuaded