What did they find? Well, of the 4,000 papers that declared a position on the cause of global warming since 1991, 97.1% of them agreed that humans were causing a majority of global warming. The rest? Most of them didn’t claim a position because it’s so well-accepted that they didn’t want to waste the space.
And just how small is the leftover, even if it was real doubt (which it isn’t)? That 2.9% remainder is less than: