The business reputation of a politician is often associated with his skill in public speaking. The relevance of the article relies on the fact that the communicative repertoire used by a public person becomes his hallmark and allows to effectively build professional interaction. The article explores the pragmalinguistic features of forming the image of a politician in modern political discourse. It describes the speech portrait of Donald Trump through the prism of the linguistic personality components, identifies the characteristic features of their speech, compares them from the point of view of the climate agenda, highlights the dynamics of their positions and their verbalization for the period of 2011-2021. The most frequent communicative strategies in the climate rhetoric turned out to be those for increasing influence, appeal to authority, persuasion, refutation and support. They have been applied in the framework of "opponent of environmental protection", "partial supporter", "supporter of the fight against climate change" microroles.