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Week 8 Lecture 1.docx

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Global Studies
Timothy Clark

Week 8 lecture 1: The Globalization of the Environment cont: The Revenge of Malthus  Exponential growth on a finite planet o Our population growth increasing but resources staying finite  Have we crossed the threshold? Ecological Footprints by Country  3.5 planets required for all humans to live as Canadians do  need approximately 2 hectares per person - Canada uses 7 hectares per person Fossil Fuels and Energy  Neither NPP nor ecological footprint/biocapacity properly account for fossil fuel depletion o EF factors for land required to absorb emissions but not for the energy required to replace fossil fuels o Replacement of fossil fuels would require an increase in human appropriation of NPP of 50% World Scientists Warning to Humanity (1992)  “Human beings and the natural world are on a collision course. If not checked, many of our current practices put at serious risk the future that we wish for human society and the plant and animal kingdoms, and may so alter the living world that it will be unable to sustain life in the manner that we know. Fundamental changes are urgent if we are to avoid the collision our present course will bring about…No more than one or a few de
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