Assumptions about environmental stasis are embedded in historical usage of the word _climate_. The first recorded use of the term in English is by medieval geographers, who wrote about a series of fixed bands or belts stretching across the Earth’s surface like parallels of latitude (_OED_). These belts were believed to divide the habitable world into seven distinct climatic zones, which astrologers assumed corresponded to the seven known planets. This idea of a static geography undergirds a now archaic use of _climate_ to refer to particular regions of the earth, as well as the current usage of the term to name prevailing weather conditions in particular regions of the world. Richard Hakluyt’s _The principall navigations, voiages, and discoveries of the English nation_ (1589), contains the first use of _climate_ in this sense recorded by the _OED:_ “New found land is in a temperate Climate.” This use of the word came to be extended figuratively to the attitudes or opinions prevailing among a body of people or nation, so that it became common to speak of a “climate of opinion” or an “economic climate.” Significantly, this figurative usage emerges in the context of the social and political disruptions of the seventeenth...