ENV100Y5 Lecture : env100 note 48.docx

• School: UTM
• Department: Environment
• Course: ENV100Y5
• Professor: murk

Document Summary

These lectures will help you understand: world energy sources, coal: origin, extraction, use, oil and natural gas: origin, extraction, use, alternative fossil fuels, supply, strategic concerns, and environmental impacts, strategies for conserving energy. Energy resources can be renewable, inexhaustible, or nonrenewable: renewable/replenishable = constantly renewed or replenished; not depleted by our use, wood, other biomass fuels. Developed nations consume more energy than developing nations. A small percentage of the population is responsible for most of the energy use: world energy use patterns, small % of population responsible for a large % of total energy use. U. s. : 25% of energy use, but 5% of world population. Global consumption of fossil fuels has increased greatly in recent decades. Fossil fuels include oil, natural gas, and coal: fossil fuels, oil, natural gas petroleum, coal, petroleum formation: shallow marine environment, coal formation: terrestrial swamp environment.