EESA01 Lecture 2-2011-compressed -...

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Introduc)on to Environmental Science Lecture #2 September 19, 2011 Professor C. Mitchell 1 Lecture 1 – Introduc)on to Environmental Science
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“Tragedy of the Commons” 2 Concept proposed by GarreJ Hardin (Ecologist from UCSB) in 1968. Unregulated exploita)on leads to resource deple)on. Resource users are tempted to increase use un)l the resource is gone. Is this STILL the basis for ongoing environmental issues? Can we do anything about it? Lecture 1 – Introduc)on to Environmental Science
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Rapa Nui (Easter Island) 3 Pay close aJen)on to “The Science Behind the Story” on page 11 of your text. Downfall of a whole civiliza)on at least par)ally aJributable to “Tragedy of the Commons” Lecture 1 – Introduc)on to Environmental Science
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The Base Cause of Environmental Degrada)on 4 My opinion (probably the same as most Environmental Scien)st’s): THE ENVIRONMENTAL ISSUES THAT WE FACE TODAY ARE DUE TO A COMBINATION OF WORLD POPULATION GROWTH AND CONSUMPTION (SPECIFICALLY, ENERGY) FAR ABOVE WHAT CAN EASILY BE REPLACED AND… Lecture 1 – Introduc)on to Environmental Science A GENERAL IGNORANCE TO RECOGNIZE THIS.
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What is Environmental SCIENCE? 5 Lecture 1 – Introduc)on to Environmental Science
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Environmental Scien)sts and Environmentalists 6 My grandmother always calls me an “environmentalist”. She is only par)ally correct. The basis of science is to NOT approach a problem from a biased view (i.e., to be objec)ve). Many environmentalists are not objec)ve. This does not mean that environmental scien)sts cannot be environmentalists, just that they are not necessarily so. Lecture 1 – Introduc)on to Environmental Science
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Cornucopians vs. Cassandras 7 Cornucopia : horn of plenty Human ingenuity will see us through our environmental problems via new technologies and the such. Cassandra : mythical princess of Troy who prophesized about dire future scenarios All is lost because of our impact on the environment. Lecture 1 – Introduc)on to Environmental Science
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Examples of Prac)cal Solu)ons 8 Scrubbers on smokestacks. ($$) Recycling ($$) Renewable energy (i.e., solar and wind) ($$) Best management prac)ces in natural resource extrac)on and agriculture. ($$) Lecture 1 – Introduc)on to Environmental Science
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Sustainable Development 9 “Development (i.e., economic advancement through the use of natural resources) that meets the needs of the present without sacrificing the ability of future genera)ons to meet their needs.” Brundtland Commission Lecture 1 – Introduc)on to Environmental Science
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Is All Lost?
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