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Energy Flow Systems Energy Flow Systems Richard White's Organic Machine, and William Cronon's Changes in the Land, both examine environments as energy flow systems. The energy flow model was utilized by the authors to explain relationships within ecosystems. Richard White's thesis is to examine the river as an organic machine, as an energy system that, although modified by human intervention, maintains it's natural, its "unmade" qualities. White emphasizes on energy because it is a useful concept that can be easily understood. He says, "the flow of the river is energy, so is the electricity that comes from the dams that block that flow. Human labor is energy; so are Approximate words: 1410 Approximate pages: 6

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