lecture 6 thursday, september 20 the environment
TRANSCRIPT
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Lecture 6Lecture 6Thursday, September 20Thursday, September 20
The EnvironmentThe Environment
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The Scope of Environmental Problems:The Scope of Environmental Problems:
Somewhere between crisis & catastropheSomewhere between crisis & catastrophe
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forecastactual(to 2007)
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Frequency of summer temperature anomalies (how often they deviated from the historical normal of 1951-1980) over the summer months in the northern hemisphere. Source: NASA/ Hansen et al. 2012 http://climatecrocks.com/2012/08/05/hansen-on-the-new-math-of-extreme-events/
JJA
NH
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Global temperature and carbon dioxide: anomalies through 2011Global temperature and carbon
dioxide: anomalies through 2011
Base period 1900-99; data from NOAA
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The ratio of record daily highs (red) to record daily lows (blue) at about 1,800 weather stations in the 48 contiguous United States from Jan. 1950 to Sept. 2009. Meehl et al. GRL 2009. Update using NOAA data: Climatecommunication.org
U.S. daily temperature extremes
2.3:1 2.7:1 9.0:1
2010 2011 2012
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Five explanations for Five explanations for environmental problemsenvironmental problems
I. I. Individual lack of concern for the environment & Individual lack of concern for the environment & free-ridingfree-riding
II.II. Negative externalities of private choices and profit-Negative externalities of private choices and profit-making firmsmaking firms
III.III. Strategies of powerful actorsStrategies of powerful actors
IV.IV. Indirect cultural effects of hyper-capitalism: Indirect cultural effects of hyper-capitalism: consumerism run amokconsumerism run amok
V.V. Free market ideology blocks solutions.Free market ideology blocks solutions.
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I.I.Individual lack of concern for the Individual lack of concern for the environment & free-ridingenvironment & free-riding
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Your Choice
Recyle Don’t recycle
Everyone else’s choice
Recycle $50
A
$100
B
Don’t Recycle -$50
C
$0
D
Individual annual cost of recycling = $50Individual long-term benefit from recycling = $100
Example of Environmental problem from individual free-riding
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http://www.youtube.com/watch?v=hwYDyRKmxZc&feature=related
1987 TV Public Service Ad Against Pollution
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II. Negative externalities of private choices II. Negative externalities of private choices and profit-making firmsand profit-making firms
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Inter-generational Inter-generational negative externalitynegative externality::
Displacing costs onto future generationsDisplacing costs onto future generations
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0.0%
5.0%
10.0%
15.0%
20.0%
25.0%
United States Europe Japan, SK, Australia, NZ
China Africa Latin America
% of global energy use
% of global population
Energy Use in the USA and elsewhere, 2005
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0
10
20
30
40
50
60
70
USA Europe China Latin America
AfricaJapan, South Korea, Australia,
New Zealand
Millions of metric tons of CO2
per capita per year
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NIMBY externalities:NIMBY externalities:
Displacing costs onto the powerlessDisplacing costs onto the powerless
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0%
10%
20%
30%
40%
50%
60%
70%
Lowest third of risk highest third of risk
White
Nonwhite
Census tracks in California by cancer risk from toxins in the air
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BP Oil Spill
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• This map shows the location of the landfills, the amount of waste (which includes “oily solids,” waste from the cleanup, and so on) sent there, and the percentage of people living within a 1-mile radius that are People of Color:
% Minority (“people of color”) for each state (as of 2008), just to provide some context:
LA: 38.1MS: 41.3AL: 31.6FL: 39.7
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Negative externalities of Negative externalities of profit-maximizing firmsprofit-maximizing firms
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CENTRAL PROPOSITION:CENTRAL PROPOSITION:
For capitalist firms pollution is not For capitalist firms pollution is not just an accident: In general, the most just an accident: In general, the most profitable economic strategies will be profitable economic strategies will be the most polluting the most polluting because they because they
successfully displace costs on otherssuccessfully displace costs on others. .
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http://www.youtube.com/watch?v=PrzqFPego4A
Lois Gibbs account of her Love Canal experience
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III.III. Strategies of powerful actorsStrategies of powerful actors
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Total subsidies for energy from the U.S. government 1950-2006 = over $700 billion
• 50% for oil & natural gas• 13% for coal• 11% for hydroelectric• 9% for nuclear • 6% for wind and solar
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Funding for the E.P.A. as a % of the Federal BudgetFunding for the E.P.A. as a % of the Federal Budget
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IV. Indirect cultural effects of IV. Indirect cultural effects of
hyper-capitalism: consumerism run amokhyper-capitalism: consumerism run amok
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V. Free market ideology blocks solutions.V. Free market ideology blocks solutions.