Wrong, it was repeated at least 8 times, varying methods slightly and getting very similar results. As you know that's how good science works.There is only one peer reviewed source for this claim and it has been discredited for including large numbers of researchers who do not have any scientific credentials, including research where they merely speculate about the possibility but don't say with any certainty one way or the other, and rounding up to give the impression of consensus.
The 97% consensus on global warming
<p>That humans are causing global warming is the position of the Academies of Science from 19 countries plus many scientific organizations that study climate science. More specifically, around 95% of active climate researchers actively publishing climate papers endorse the consensus position.</p>
skepticalscience.com
Which of those is discredited again?
If you're not familiar with the research then may I recommend consensus on consensus?
https://iopscience.iop.org/article/...yhKAIZSvI1Zi5xwD9PJns3BHUjFGbscPFpuL8rQgbTnv0