A SHORT ESSAY ON CAUSATION VERSUS CORRELATION

Is global warming really the world's greatest threat? How can simple folk know?

Judith Curry disagrees with the IPCC numbers. Now she has difficulty getting government grants.

Correlation or causation?

This article links global warming to terrorism.



The same claim was made about the Nazis. The heat caused Hitler.

Or, the war caused the heat. 

Causation or correlation?

Being from Oklahoma, I understand the obsession with weather. We Okies have come to a realization, though, that the rest of humanity would do well to emulate. If the Sooners are winning, the weather is just fine. 

Causation or correlation?