ENVS 2000 Study Guide - Midterm Guide: Ecological Footprint, Waste Treatment, Erosion Control
7 Nov 2016
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Sunlight and renewable resources: area required to. High quality lives = big ecological footprint. Answer the question: identify 2 problems that are keeping us from achieving a sustainable economic system. Sustainable methods/tech is expensive: tax least sustainable methods, subsidize most sustainable methods. People who have a more sustainable lifestyle will have to pay less taxes than those with an unsustainable lifestyle: revenue neutral. Natural resource over-consumption: harvest fewer resources. Economic and ecological systems are inextricably linked . Flood control: 0. 4 ha wetland, store 6. 000m3 floodwater. The less than elegant metaphor that is one feeds the horse enough oats, some will pass through to the road for the sparrows. Energy return on investment: usable energy/energy expended, oil sands: per barrel of oil, 6gj/1. 1gj = eroi of 5. 5. Table 13. 6: coal (114, 114, 100) 64: natural gas (15, 11, 9) Canada is higher because we have a colder environment, higher standard of living, and we are an industrial country.
