The folks I know who actually have the relevant deep-expertise have suggested to me that the IPCC's *worst-case* contemplated scenario is probably our *best-case* scenario at this point. ...Happy fourth!
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(And I can sympathize with that. Fatalism results in apathy + inaction and that slides things into the even-worse land. In this as with nuclear issues, the tension between giving hope/agency and not omitting the nasty truth is a difficult one.)
I am not sure I would call it propaganda, but the goal of climate communication is to change policy/get action. And that has tended to mean tailoring the message to things that will do that — which has its ups and downs as an approach.
