Examines the ways in which Earth operates. Includes understanding the mechanics of living and physical processes in biology, chemistry, physics, and the earth sciences. Emphasizes the relationship between humans and their environment, and the impact of technology on the global environment. Surveys energy, air, water, soil pollution, and conservation, and present sustainable solutions to these practices. Field trips may be required. Transfer credit: CSU; UC. C-ID: ENVS 100.