Have students think about where they are likely to see litter in the community. Have them think of ways they could educate other students about the problems associated with litter. Divide students into groups of three or four. Have the groups create an environmental awareness poster to be displayed inside the school. If possible, allow the students to decide where the poster should be hung, so that it is likely to be seen by the most students. Next, give each group a map of the school and the.