Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Coal> ?p ?o }
- Coal abstract "Coal (from the Old English term col, which has meant \"mineral of fossilized carbon\" since the 13th century) is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure. Coal is composed primarily of carbon along with variable quantities of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen.Throughout history, coal has been used as an energy resource, primarily burned for the production of electricity and/or heat, and is also used for industrial purposes, such as refining metals. A fossil fuel, coal forms when dead plant matter is converted into peat, which in turn is converted into lignite, then sub-bituminous coal, after that bituminous coal, and lastly anthracite. This involves biological and geological processes that take place over a long period. The United States Energy Information Administration estimates coal reserves at 7011948000000000000♠948×109 short tons (860 Gt). One estimate for resources is 18,000 Gt.Coal is the largest source of energy for the generation of electricity worldwide, as well as one of the largest worldwide anthropogenic sources of carbon dioxide releases. In 1999, world gross carbon dioxide emissions from coal usage were 8,666 million tonnes of carbon dioxide. In 2011, world gross emissions from coal usage were 14,416 million tonnes. Coal-fired electric power generation emits around 2,000 pounds of carbon dioxide for every megawatt-hour generated, which is almost double the approximately 1100 pounds of carbon dioxide released by a natural gas-fired electric plant per megawatt-hour generated. Because of this higher carbon efficiency of natural gas generation, as the market in the United States has changed to reduce coal and increase natural gas generation, carbon dioxide emissions may have fallen. Those measured in the first quarter of 2012 were the lowest of any recorded for the first quarter of any year since 1992. In 2013, the head of the UN climate agency advised that most of the world's coal reserves should be left in the ground to avoid catastrophic global warming.Coal is extracted from the ground by coal mining, either underground by shaft mining, or at ground level by open pit mining extraction. Since 1983 the world top coal producer has been China. In 2011 China produced 3,520 million tonnes of coal – 49.5% of 7,695 million tonnes world coal production. In 2011 other large producers were United States (993 million tonnes), India (589), European Union (576) and Australia (416). In 2010 the largest exporters were Australia with 328 million tonnes (27.1% of world coal export) and Indonesia with 316 million tonnes (26.1%), while the largest importers were Japan with 207 million tonnes (17.5% of world coal import), China with 195 million tonnes (16.6%) and South Korea with 126 million tonnes (10.7%).The extraction of coal, its use in energy production and its byproducts are all associated with severe environmental and health effects. Globally, the use of coal is responsible for 44 per cent of the world's total carbon dioxide emissions.".
- Coal thumbnail Coal_anthracite.jpg?width=300.
- Coal wikiPageExternalLink global-coal-plant-tracker.
- Coal wikiPageExternalLink energy.cfm?page=coal_home-basics.
- Coal wikiPageExternalLink dclversussicl.pdf.
- Coal wikiPageExternalLink home.
- Coal wikiPageExternalLink www.energy.gov.
- Coal wikiPageExternalLink www.euracoal.org.
- Coal wikiPageExternalLink dclversussicl.pdf.
- Coal wikiPageExternalLink coal.
- Coal wikiPageExternalLink www.worldcoal.com.
- Coal wikiPageExternalLink www.worldcoal.org.
- Coal wikiPageExternalLink statistical_review_of_world_energy_full_report_2012.xlsx.
- Coal wikiPageID "5987".
- Coal wikiPageLength "99719".
- Coal wikiPageOutDegree "366".
- Coal wikiPageRevisionID "707202545".
- Coal wikiPageWikiLink Abiogenic_petroleum_origin.
- Coal wikiPageWikiLink Acetic_acid.
- Coal wikiPageWikiLink Acid_rain.
- Coal wikiPageWikiLink Adit.
- Coal wikiPageWikiLink Alkene.
- Coal wikiPageWikiLink American_Lung_Association.
- Coal wikiPageWikiLink American_Nurses_Association.
- Coal wikiPageWikiLink Ammonia.
- Coal wikiPageWikiLink Antarctica.
- Coal wikiPageWikiLink Anthracite.
- Coal wikiPageWikiLink Appalachia.
- Coal wikiPageWikiLink Aquae_Sulis.
- Coal wikiPageWikiLink Aromatic_hydrocarbon.
- Coal wikiPageWikiLink Arsenic.
- Coal wikiPageWikiLink Asphaltene.
- Coal wikiPageWikiLink Australia.
- Coal wikiPageWikiLink BP.
- Coal wikiPageWikiLink Backstop_resources.
- Coal wikiPageWikiLink Barrel_of_oil_equivalent.
- Coal wikiPageWikiLink Bath,_Somerset.
- Coal wikiPageWikiLink Bergius_process.
- Coal wikiPageWikiLink Biobased_economy.
- Coal wikiPageWikiLink Biochar.
- Coal wikiPageWikiLink Biodegradation.
- Coal wikiPageWikiLink Biotic_material.
- Coal wikiPageWikiLink Bituminous_coal.
- Coal wikiPageWikiLink Blast_furnace.
- Coal wikiPageWikiLink Bog.
- Coal wikiPageWikiLink Boiler.
- Coal wikiPageWikiLink Borough_(Pennsylvania).
- Coal wikiPageWikiLink Bottom_ash.
- Coal wikiPageWikiLink British_Geological_Survey.
- Coal wikiPageWikiLink Bronze_Age.
- Coal wikiPageWikiLink Burning_Mountain.
- Coal wikiPageWikiLink Cannel_coal.
- Coal wikiPageWikiLink Car_Dyke.
- Coal wikiPageWikiLink Carbochemistry.
- Coal wikiPageWikiLink Carbon.
- Coal wikiPageWikiLink Carbon_capture_and_storage.
- Coal wikiPageWikiLink Carbon_dioxide.
- Coal wikiPageWikiLink Carbon_monoxide.
- Coal wikiPageWikiLink Carbon_sequestration.
- Coal wikiPageWikiLink Carboniferous.
- Coal wikiPageWikiLink Carbonization.
- Coal wikiPageWikiLink Castra.
- Coal wikiPageWikiLink Category:Articles_in_Wikipedia_Primary_School_Project_SSAJRP.
- Coal wikiPageWikiLink Category:Coal.
- Coal wikiPageWikiLink Category:Coal_mining.
- Coal wikiPageWikiLink Category:Economic_geology.
- Coal wikiPageWikiLink Category:Fuels.
- Coal wikiPageWikiLink Category:Sedimentary_rocks.
- Coal wikiPageWikiLink Category:Solid_fuels.
- Coal wikiPageWikiLink Category:Symbols_of_Kentucky.
- Coal wikiPageWikiLink Category:Symbols_of_Utah.
- Coal wikiPageWikiLink Centralia,_Pennsylvania.
- Coal wikiPageWikiLink Chemical_synthesis.
- Coal wikiPageWikiLink Chester.
- Coal wikiPageWikiLink China.
- Coal wikiPageWikiLink Christmas_stocking.
- Coal wikiPageWikiLink Clean_coal.
- Coal wikiPageWikiLink Climate_change.
- Coal wikiPageWikiLink Coal.
- Coal wikiPageWikiLink Coal-mining_region.
- Coal wikiPageWikiLink Coal-water_slurry_fuel.
- Coal wikiPageWikiLink Coal_Blending.
- Coal wikiPageWikiLink Coal_Region.
- Coal wikiPageWikiLink Coal_assay.
- Coal wikiPageWikiLink Coal_dust.
- Coal wikiPageWikiLink Coal_gas.
- Coal wikiPageWikiLink Coal_gasification.
- Coal wikiPageWikiLink Coal_homogenization.
- Coal wikiPageWikiLink Coal_in_China.
- Coal wikiPageWikiLink Coal_liquefaction.
- Coal wikiPageWikiLink Coal_measures.
- Coal wikiPageWikiLink Coal_mining.
- Coal wikiPageWikiLink Coal_pier.
- Coal wikiPageWikiLink Coal_seam_fire.
- Coal wikiPageWikiLink Coal_tar.
- Coal wikiPageWikiLink Coalbed_methane.
- Coal wikiPageWikiLink Coalworkers_pneumoconiosis.
- Coal wikiPageWikiLink Cogeneration.
- Coal wikiPageWikiLink Coke_(fuel).
- Coal wikiPageWikiLink Coke_strength_after_reaction.