Driving Question:What is the most important global environmental issue?Description:In this Rank & Reason, students consider frequently mentioned environmental issues in the world. They rank these according to which they consider would be the most severe in the world today.What's Included with this Rank & Reason:In NextLesson’s Rank & Reason exercises, students are prompted to rank a list of choices based on a discussion question. The question is designed to have no right answer. Stud