What is Evidence of AGW?

It’s the big question at the moment…what really constitutes (or would constitute) evidence that anthropogenic (or man-made) CO2 is the primary driver of the earths climate?

Thankfully, the brilliant statistician William M. Briggs gives us the low-down here.

It’s worth remembering his points when you next watch an alarmist news report on man-made global warming.

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