My bad for double posting, but they are probably referring to [this one](https://www.worldweatherattribution.org/climate-change-incre...), which says the exact opposite.

Yes, that's the study that shows zero effect. The authors completely messed up in their write up of the study. That study is the definition of bad science.

Watch this if you want more info: https://www.youtube.com/watch?v=vDsjeKo3u3o

She explains better than I can: https://www.youtube.com/watch?v=vDsjeKo3u3o