Envir Sci Midterm Notes - Notes on Chapters 1 - 5

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Chapter 1: Four major periods where population and environmental degradation spiked: 1. Paleolithic (stone age), humans get fire and make tools, 25 million years ago 2. Neolithic period/Agricultural revolution, hunter-gathers to agriculture, 10000-12000 years ago 3. Industrial revolution, started using fossil fuels, mid-1700s 4. Medical-Technological revolution, advances in medicine and technology, people live longer, the present. “IPAT” I (Total impact on the environment) = P (population) X A (affluence (level of consumption)) X T (technology) Ecological Footprint is an inverse of carrying capacity, the measure of land and water needed to sustain an individual rather than the number of individuals that can be sustained by an area of land or water. Average Canadian ecofootprint is 7.6 hectares or 2-4 city blocks 5 factors that determine the survival of civilizations: 1. Climate change 2. Hostile neighbors 3. Trader partners 4. Environmental problems 5. Society’s response to environmental problems (Only factor wholly controllable) Cornucopia, optimistic outlook on our depleting resources, that humans will create technology which will allow our resources to be used more efficiently, we can get
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This note was uploaded on 11/22/2010 for the course DEPARTMENT EESA01H3 taught by Professor Carlmitchell during the Fall '10 term at University of Toronto- Toronto.

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Envir Sci Midterm Notes - Notes on Chapters 1 - 5

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