Or does anything that happens proof of it - hot, cold, indifferent?
Yes.
No matter what happens the cult of climate change will declare it was caused by man.
“What combination of events, if any, would disprove global-warming/climate-change?”
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It can not be proven, anymore then proving how life was started, or what day you will die.
There are just too many variables from the sun, and earth itself.
What is so amazing is that a stupid jerk like Albert Goreon
could be making so much money from the scam.