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Energy (Why it is important? Global Use)

Ali ShakouriElectrical Engineering Department

University of California Santa Cruzhttp://quantum.soe.ucsc.edu/

EE80S

Sustainability Engineering and Practice

October 15, 2007

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• What is energy? • Why energy is important in sustainable

development?• What is the main source of energy in our society? • How long our conventional energy sources will

last? • Environmental impacts of our current energy

sources?• Are there long term renewable energy options?

(next lecture)

Energy

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GDP/capita vs. kW/capita

Prof. Ben Crow

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Energy Intensity vs. Development

Prof. Ben Crow

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US Energy Consumption per Capita

DOE, Energy Information Administration (EAI)

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Talk by Late Prof. Richard E. Smalley (Rice Univ.), Nobel Prize in Chemistry, Dec. 2004

Major Issues:1. Education 2. Global energy crisis 3. Global warming 4. Humanity's top 10 problems for the next 50 years (water,

food, poverty, population, …). Abundant low-cost clean energy will take care of the other 9 problems

• Oil was the basis of energy prosperity in the 20th century.

• Energy in the 21st century? Beyond 21st century?

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RejectedEnergy 61%

Total 91.4 quad(↑ x3) 1950Population: 291M

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EE80SDOE, Energy Information Administration (EAI)

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EE80SDOE, Energy Information Administration (EAI)

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34%

8%

28%

6%

Share of WorldTotal

24%

38%

26%

23%

7%

6%

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World Energy Consumption,2004, 2015, and 2030 (quadrillion Btu)

0

50

100

150

200

250

300

350

400

450

North America OECD EuropeOECD Asia Non-OECD Europe and EurasiaNon-OECD Asia Middle EastAfrica Central & South America

International Energy Outlook 2007

2004 2015 2030

240

207

265

294298

404

OECD

Non-OECD