With the mention of "sustainability" and "recycling," most people think about reusing paper, plastic, metal, and glass, but what the authors discovered when they embarked on a word-study unit is that the sustainability movement has also brought about the recycling of words. The authors were team-teaching a language awareness class taken by preservice teachers, and when they wanted to demonstrate how language changes in response to new technologies and new attitudes, sustainability seemed like the perfect topic. In this article, the authors suggest ways of using the Green movement to encourage students to become more knowledgeable about how technology and culture change English language. (Contains 1 figure.)