It's Really, Really Unlikely that Climate Change is "Naturally Occurring"

Image: World Ocean Observatory

This is probably the most commonly offered rejoinder to the scientifically observed phenomenon of global climate change. Well, sure, temperatures are rising around the world, and last decade was determined by NASA, NOAA, and a number of the world's other top tier scientific institutions to be the hottest ever. But how do we know it's man's fault? Couldn't it be a natural process, like sun spots, or a naturally-occurring increase of cloud cover or something, that's causing the warming of the world? The short answer is: Nope.

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