Climate researchers fired possibly due to their views
Several researchers claimed to obtain the result that climate change is not primarily due to human activity. They lost their jobs very quickly thereafter. The universities claimed, in all cases, that the firing was not related to the researchers' views.

Murry Salby: first hired as a professor of "Climate Risk" but then demoted and fired once he obtained results that there was no risk. https://wattsupwiththat.com/2013/07/08/professor-critical-of-agw-theory-being-disenfranchised-exiled-from-academia-in-australia/

Bob Carter: https://web.archive.org/web/20130910223358/https://www.townsvillebulletin.com.au/article/2013/06/28/384514_news.html (article was removed from townsvillebulletin.com)

Roger Pielke Jr. was forced to quit allegedly due to his views.
https://business.financialpost.com/opinion/ross-mckitrick-this-scientist-proved-climate-change-isnt-causing-extreme-weather-so-politicians-attacked


Will Happer was fired by Al Gore himself.
https://www.epw.senate.gov/public/index.cfm/press-releases-all?ID=5ef55aa3-802a-23ad-4ce4-89c4f49995d2

Peter Ridd was fired allegedly for misconduct.
https://www.desmogblog.com/2018/05/21/climate-science-deniers-around-globe-rally-around-sacked-scientist-peter-ridd