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[#] 43 [Program Name] Closed-System Game: An Urban Planning Simulation [Annotation] 
Planet Earth is a closed system -- all living things depend on the same thin life-giving envelope of land, air, and water. What is the carrying capacity of the planet? In this simulation, students will deal with this question in terms of "planning" -- not only to achieve a better quality of life, but also for survival. Can we plan for a decent standard of living and still protect the quality of our environment? Complete activity!
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