The document describes seven potential environments for a class vacation: desert plateau, tundra lowland in summer, grassland plains, rainforest lowland, mountain desert, coniferous forest lake and hill lands, and deciduous forested mountains in summer. Each environment is summarized, noting characteristics like climate, terrain, wildlife, insects, and water availability to help the class decide on a location. The teacher offers $1000 off the class vacation if a decision is made by the end of class.