Cartoon styled poster depicting the contemporary relationships of the environment, social demands, and the positive aspects of natural gas as the most emission-free fossil fuel energy source. Its microcosmic community serves as a reference point for teaching environmental concepts. The black and white reverse side features six learning activities, each usable at many levels, and a reproducible black and white, line art miniature of the poster. Grades K-8, 23" x 35", Full Color, B/W back.