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I’m pretty sure the only anomalies that have ever produced geographic temperature changes as drastic as the ones visualized are things like city-sized asteroid collisions or volcanic eruptions that blot out the sun. If you haven’t noticed any of those, then it’s probably safe to assume that approximately 100% of the effect is down to human activity.

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That’s a faulty statement! https://climate.nasa.gov/evidence/

Ummm…

> There is unequivocal evidence that Earth is warming at an unprecedented rate. Human activity is the principal cause.

That’s the sub-headline from your link which is exactly what I said, just with a bit less flourish.

You’re right!

I don't understand what part of that link is supposed to prove the person wrong. Could you cite that part, or at least point out what part of the above statement is supposedly wrong in the first place?

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