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Lecture 3

Lecture 3 - Energy Updated.docx

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Department
Geography
Course
Geography 3422A/B
Professor
Milford Green
Semester
Fall

Description
Energy 10/9/2012 12:06:00 PM Global Demand  Global demand for energy will increase by 36% between 2008 and 2035  Emerging economies will account for almost all of this increase (93%)  Energy demand growth in developed nations is expected to be modest in coming years and actually fall 2% overall from 2010 to 2040  China and India will account for more than 40% of the increase in global energy use by 2030  Developing nations will see energy demand grow 57% through 2040 as standard of living improves  67% of the energy that is generated is lost, only 33% is used  Global energy demand by fuel type: o Oil o Gas o Coal o Nuclear o Biomass o Wind/solar o Hydro Energy Consumption  Canada’s total energy consumption: o Petroleum – 32% o Hydro – 26% o Natural gas – 22% o Coal – 8% o Nuclear – 7% o Non-hydro renewables – 5%  The energy required to produce a unit of GDP is falling in most countries around the world o As countries industrialize, energy-intensive businesses make up a larger share of the economy  China has overtaken the US as the world’s biggest energy user o The US has far outpaced China in using energy more efficiently o On a per capita basis, the US still uses far more energy than China and remains less efficient than Europe  Saudi Arabia, the world’s most important oil exporter, for the first time sold more oil to China than the US  GDP and energy consumption are highly correlated  Wind and solar get the most taxpayer help for the least production  Rapid growth in renewables o Net generation of electricity from wind and solar power has jumped o Cost consumption (cheapest to most expensive)  Natural gas  Hydro  Wind  Coal  Geothermal  Advanced nuclear  Biomass  Solar photovoltaic  Solar thermal Electrical Generation  Electricity demand by sector: o Industrial o Residential/commercial o Transportation  Fuel into electricity generation o Coal o Gas o Nuclea
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