GEOG 106 Lecture Notes - Lecture 19: Landfill Gas, Carbon-Based Fuel, Marine Energy

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83% of energy comes from stock or non-renewable recourse eg) coal, oil, natural gas uranium. 17% are flow resources or those that are potentially renewable and most of this total is hydro. Tow dramatic changes in energy have occurred over the past 100 years: from coal based economy to oil and natural gas based economy ("oil age beginning in the late 1940s, increase in energy consumption. Proportions have changed but no so much. Electricity is the only source that has increased comparing to others from 1970s to 2007. Providing (global energy use: biomass provides 10, nuclear power provides 6. 3, hydropower provides 2. 2% Generate (global electricity: nuclear power 15. 2, hydropower 16% In canada, hydropower accounts for almost 60% of electricity generation. Conventional energy alternatives are the alternatives to fossil fuels that are most widely used. Include hydroelectric power, nuclear power, and biomass energy. These new renewable energies provide far less energy than electricity and fossil fuels and other conventional energy sources.

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