Any strategy to mitigate climate change will have economic and political implications that are incompatible with libertarian ideals of free markets These political implications have created an environment of rhetorical adversity in which disinformation is systematically disseminated by a variety of politically and economically motivated actors who seek to delay or defang climate policies I review the strategies of climate denial and how they fit within an historical arc ranging from denial of the adverse health effects of tobacco to the denial of facts and policies involving the COVID-19 pandemic I review communicative countermeasures and conclude by pointing to the necessity to examine whether science denial is a necessary implication of libertarianism or whether it can be reframed to become an ally in climate mitigation and public-health policies