|acid rain acidic rain is produced as a result of the release into the atmosphere of acidic gases such as sulphur dioxide, generated by the combustion of fossil fuel in power stations and cars. |
|biomass biological material, such as plants. Some can be used as fuels. |
|end use energy the energy actually consumed at the point of use. |
|global warming the possible increase in average global temperatures as a result of an enhanced 'greenhouse effect' due to the release of gases such as carbon dioxide and methane into the atmosphere: global warming is one element in the resultant process of 'climate change'. |
|Kondratiev cycles the 'long waves' (i.e. cyclic patterns) in global economic activity identified by Kondratiev, and interpreted by some subsequent economists as being due to regular bursts of technological innovation. |
|nuclear fission the process of splitting the nucleus of certain atoms (e.g. uranium) with the resultant release of heat and radiation, as in atomic bombs or nuclear reactors. |
|nuclear fusion the process of fusing together certain light elements (e.g. hydrogen) to yield heat and radiation, as in the H-bomb and the yet to be fully developed fusion reactor. |
|primary energy the energy in the basic fuels or energy sources used, e.g. the energy in the fuel fed into conventional power stations. |
|renewable energy energy sources, such as solar energy, the winds, waves and tides, that are naturally replenished and cannot be used up. Biomass sources can also be seen as renewable, if the rate of use is matched by the rate of growth. |
Questia, a part of Gale, Cengage Learning. www.questia.com
Book title: Energy, Society & Environment:Technology for a Sustainable Future.
Contributors: David Elliott - Author.
Place of publication: London.
Publication year: 2003.
Page number: 323.
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