EESA01 Lecture 2 - Introduction to Environmental Science...

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Introduction to Environmental Science Lecture #2 September 19, 2011 Professor C. Mitchell 1 Lecture 1 – Introduction to Environmental Science
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“Tragedy of the Commons” 2 Concept proposed by Garrett Hardin (Ecologist from UCSB) in 1968. Unregulated exploitation leads to resource depletion. Resource users are tempted to increase use until the resource is gone. Is this STILL the basis for ongoing environmental issues? Can we do anything about it? Lecture 1 – Introduction to Environmental Science
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Rapa Nui (Easter Island) 3 Pay close attention to “The Science Behind the Story” on page 11 of your text. Downfall of a whole civilization at least partially attributable to “Tragedy of the Commons” Lecture 1 – Introduction to Environmental Science
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The Base Cause of Environmental Degradation 4 My opinion (probably the same as most Environmental Scientist’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 – Introduction to Environmental Science A GENERAL IGNORANCE TO RECOGNIZE THIS.
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What is Environmental SCIENCE? 5 Lecture 1 – Introduction to Environmental Science
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Environmental Scientists and Environmentalists 6 My grandmother always calls me an “environmentalist”. She is only partially correct. The basis of science is to NOT approach a problem from a biased view (i.e., to be objective). Many environmentalists are not objective. This does not mean that environmental scientists cannot be environmentalists, just that they are not necessarily so. Lecture 1 – Introduction 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 – Introduction to Environmental Science
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Examples of Practical Solutions 8 Scrubbers on smokestacks. ($$) Recycling ($$) Renewable energy (i.e., solar and wind) ($$) Best management practices in natural resource extraction and agriculture. ($$) Lecture 1 – Introduction 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 generations to meet their needs.” Brundtland Commission Lecture 1 – Introduction to Environmental Science
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EESA01 Lecture 2 - Introduction to Environmental Science...

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