Pollution

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Transcript Pollution

Energy Use in the USA
Energy Use in the USA
• The United States of America is the world's
largest energy producer, consumer, and net
importer of energy. How? Why?
– Trends in energy consumption
– Social explanations
– Current situation
Top World Oil Consumers, 2006
(thousand barrels per day)
(www.EIS.gov)
22500
20000
17500
15000
12500
10000
7500
5000
2500
0
United
States
China
Japan
Russia
Ger.
India
Canada
Brazil
South
Korea
Saudi
Arabia
Energy Consumption: Total energy
consumption per capita
Units: Kilograms of oil equivalent (kgoe) per person
World Resources Institute: Earth Trends
8000
7500
7000
6500
6000
5500
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
USA
Czech
Germany
UK
France
China
Japan
Russia
Poland
History of US energy use by
source (quadrillion BTU)
Attitudes towards energy use
• The “American Dream”
• Environmentalism
• Responsible Consumerism
The “American Dream”
• Current concept has
roots in 1950's
• Any one can “make
it” - regardless of
background
• House in the
suburbs, two cars
• Electricity consumption by 107 million U.S.
households in 2001 totaled 1,140 billion
kWh. The most significant end uses were
central air-conditioning and refrigerators,
each of which accounted for about 14
percent of the U.S. Total. (
The automobile
• 84% of travel in
USA by car
• Fuel efficiency has
not traditionally
been important to
American
consumers
• SUV's
Passenger vehicles in the US
• According to the US
Bureau of Transit
Statistics for 2004
there are
243,023,485
registered
passenger vehicles
in the US
Passenger Vehilces
in the USA
cars
trucks/SUV's
6-wheel
trucks
motorcycles
Fuel consumption of US cars
(www.bts.gov)
20
18
16
L/100km
14
12
10
8
6
4
2
0
1960
1965
1970
1975
1980
1985
year
1990
1995
2000
2004
Environmentalism
• Modern
environmentalism
began in 1962 with
Rachel Carson's
Silent Spring
• Anti-pollution
legislation
• Postenvironmentalism?
Pollution
• 1963 Clean Air Act
• 1990 – amendment to the clean air act began
system of carbon trading.
• 1997: The US signs the Kyoto protocol -but never
ratifies the treaty
– Some state and local governments have
Acquisitions of “alarmism”
• The “greatest hoax
in history”
• According to one
poll about 64% of
Americans think that
scientists disagree
about whether
global warming is
happening (they
don't)
A convenient approach
The environmental consumer
• Save the environment without sacrificing
quality of life:
– New energy-saving appliances, light bulbs
– Carbon offsets
– Hybrid cars
– Supporting “green” companies
Energy per dollar of GDP/PPP