but were afraid to ask. It’s not a word we use every day. A taxonomy is a classification in which a subject is divided into its subtopics so that one can see the relationships between them.1 From our previous discussions, we know there are several distinct opinions in this group about how to handle environmental questions. Let’s talk about them and see how they relate to each other.” “Well, you all know where I stand on this issue,” began an older-looking student—he had to be at least thirty!—sitting