Editor’s note: From “climate adaptation” to “blue carbon,” from “landscape approach” to “ecosystem services,” environmental jargon is everywhere these days. Conservation International’s Human Nature blog looks to make sense of it in an occasional explainer series we’re calling “ What on Earth?” This post was updated on September 17, 2020. In this installment we break down “sustainable coffee,” a term you may have heard before, but might not be able to explain. We’re here to tell you what it means and why it’s important. So, what is ‘sustainable coffee’? Defined generally, it’s coffee that is grown in a way that conserves nature and provides better livelihoods for the people who grow and process it. Wait: Can coffee be grown in a way that doesn’t conserve nature? It can. Coffee is grown almost only in the tropics , in places that are home to most of the world’s remaining tropical forests.…