This document defines key terms related to community and environmental health. It defines health as a state of complete physical, mental, social, and emotional well-being, community as a sociological group sharing an environment including individuals and families, community health as maintaining, protecting and improving health through organized community efforts, and environmental health as those aspects of human health determined by physical, chemical, biological, social and psychosocial factors in the surrounding environment. It then outlines an activity where students will discuss and present a Venn diagram comparing their dream and existing communities.