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- Fossil_fuel abstract "Fossil fuels are fuels formed by natural processes such as anaerobic decomposition of buried dead organisms. The age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes exceeds 650 million years. Fossil fuels contain high percentages of carbon and include coal, petroleum, and natural gas.They range from volatile materials with low carbon:hydrogen ratios like methane, to liquid petroleum to nonvolatile materials composed of almost pure carbon, like anthracite coal. Methane can be found in hydrocarbon fields, alone, associated with oil, or in the form of methane clathrates. The theory that fossil fuels formed from the fossilized remains of dead plants by exposure to heat and pressure in the Earth's crust over millions of years (see biogenic theory) was first introduced by Georg Agricola in 1556 and later by Mikhail Lomonosov in the 18th century.The Energy Information Administration estimates that in 2007 the primary sources of energy consisted of petroleum 36.0%, coal 27.4%, natural gas 23.0%, amounting to an 86.4% share for fossil fuels in primary energy consumption in the world. Non-fossil sources in 2006 included hydroelectric 6.3%, nuclear 8.5%, and others (geothermal, solar, tidal, wind, wood, waste) amounting to 0.9%. World energy consumption was growing about 2.3% per year.Strictly speaking, fossil fuels are a renewable resource. They are continually being formed via natural processes as plants and animals die and then decompose and become trapped beneath sediment. However, fossil fuels are generally considered to be non-renewable resources because they take millions of years to form, and known viable reserves are being depleted much faster than new ones are being made.The use of fossil fuels raises serious environmental concerns. The burning of fossil fuels produces around 21.3 billion tonnes (21.3 gigatonnes) of carbon dioxide (CO2) per year, but it is estimated that natural processes can only absorb about half of that amount, so there is a net increase of 10.65 billion tonnes of atmospheric carbon dioxide per year (one tonne of atmospheric carbon is equivalent to 44/12 or 3.7 tonnes of carbon dioxide). Carbon dioxide is one of the greenhouse gases that enhances radiative forcing and contributes to global warming, causing the average surface temperature of the Earth to rise in response, which the vast majority of climate scientists agree will cause major adverse effects. A global movement towards the generation of renewable energy is therefore under way to help reduce global greenhouse gas emissions.".
- Fossil_fuel thumbnail Coal.jpg?width=300.
- Fossil_fuel wikiPageExternalLink eusub.html.
- Fossil_fuel wikiPageExternalLink thomas-gold-professional-papers.html.
- Fossil_fuel wikiPageExternalLink normal-0-21-false-false-false-pt-br-x.html.
- Fossil_fuel wikiPageExternalLink Fossil-Fuel-Subsidies.htm.
- Fossil_fuel wikiPageExternalLink oil_companies_attacked.
- Fossil_fuel wikiPageExternalLink index.html.
- Fossil_fuel wikiPageExternalLink fulltext.html.
- Fossil_fuel wikiPageID "48146".
- Fossil_fuel wikiPageRevisionID "606049155".
- Fossil_fuel expiry "2014-10-08".
- Fossil_fuel hasPhotoCollection Fossil_fuel.
- Fossil_fuel small "yes".
- Fossil_fuel subject Category:Energy_economics.
- Fossil_fuel subject Category:Fossil_fuels.
- Fossil_fuel comment "Fossil fuels are fuels formed by natural processes such as anaerobic decomposition of buried dead organisms. The age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes exceeds 650 million years.".
- Fossil_fuel label "Combustibili fossili".
- Fossil_fuel label "Combustible fossile".
- Fossil_fuel label "Combustible fósil".
- Fossil_fuel label "Combustível fóssil".
- Fossil_fuel label "Fossiele brandstof".
- Fossil_fuel label "Fossil fuel".
- Fossil_fuel label "Paliwa kopalne".
- Fossil_fuel label "Ископаемое топливо".
- Fossil_fuel label "وقود أحفوري".
- Fossil_fuel label "化石燃料".
- Fossil_fuel label "化石燃料".
- Fossil_fuel sameAs Fosilní_palivo.
- Fossil_fuel sameAs Ορυκτά_καύσιμα.
- Fossil_fuel sameAs Combustible_fósil.
- Fossil_fuel sameAs Erregai_fosil.
- Fossil_fuel sameAs Combustible_fossile.
- Fossil_fuel sameAs Bahan_bakar_fosil.
- Fossil_fuel sameAs Combustibili_fossili.
- Fossil_fuel sameAs 化石燃料.
- Fossil_fuel sameAs 화석_연료.
- Fossil_fuel sameAs Fossiele_brandstof.
- Fossil_fuel sameAs Paliwa_kopalne.
- Fossil_fuel sameAs Combustível_fóssil.
- Fossil_fuel sameAs m.0cx6y.
- Fossil_fuel sameAs Q12748.
- Fossil_fuel sameAs Q12748.
- Fossil_fuel wasDerivedFrom Fossil_fuel?oldid=606049155.
- Fossil_fuel depiction Coal.jpg.
- Fossil_fuel isPrimaryTopicOf Fossil_fuel.
