Reminder Julian Assange is an asshole.
In 2009, Wikileaks published a deceptively curated collection of emails obtained from a Russian server and belonging to the Climactic Research Unit.
The goal of this operation was a disinformation campaign designed to instill fear, uncertainty, and doubt about climate science during the Copenhagen Climate Summit of 2009 (COP15).
Subsequent investigations revealed no wrongdoing on the part of the scientists.
https://www.newsweek.com/climate-gate-fake-news-climate-denialism-1471826