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Scientists found an unexpected factor that could be driving Greenland’s ice loss

washingtonpost.com

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Re: Scientists found an unexpected factor that could be driving Greenland’s ice loss

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So, climatologists overlooked a significant factor in their predictions, but yes, they are sure it's human who is responsible for global warming.

How do you know they are sure? Last I knew the only real certainty was that CO2 was a greenhouse gas. Anything after that is still not certain at all.