Common Sense
The Merriam Webster online dictionary defines it this way: sound and prudent judgment based on a simple perception of the situation or facts.
So let's use common sense and think about evidence of global warming.
The ice caps are melting, massive chunks of ice are collapsing into the ocean, and glaciers are in retreat all over the world. Nobody can argue with that.
Okay, but how do we know fossil fuels are the cause?
Two packs of cigarettes a day is a pretty bad habit for an individual. It's an almost certain sentence of early death. What does 85 million barrels of oil a day going up in smoke do to a planet? Nothing? That's an answer that defies common sense.
Common sense by itself confirms the answer that science has revealed: all that smoke from coal and oil and gas over 150 years is causing global warming.
It's sure-as-shootin' (your-huntin'-buddy-with-buckshot-in-the-face) true.
Remember the days when Big Tobacco deliberately tried to suppress the truth about smoking and cancer? Now it's the turn of Big Oil and their cronies, doing the same job on global warming. The similarities are uncanny.
How do we cut through their diabolical campaign of misinformation? A small measure of common sense is all we need.