Based on how many data points?
How much of that warming was caused by man?
Show all your work.
The earth has not warmed an iota. The birds are chirping and fish are swimming and all is wonderful. Critical analysis and questioning makes one head hurt so why do it? Besides, what if the answers to questions doesn’t fit my predetermined conclusions? That would make me sad, so I just won’t ever consider asking uncomfortable questions. I’m happy, happy, happy. la-dee-da——