Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. source
Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams.
Coal is composed primarily of carbon, along with variable quantities of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. source
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 heat, source
Throughout history, coal has been used as an energy resource, primarily burned for the production of electricity and heat,
Coal is the largest source of energy for the generation of electricity worldwide, source
Coal is the largest source of energy for the generation of electricity worldwide,
The coal is use in energy production and its byproducts are all associated with environmental and health effects including climate change. source
The coal is use in energy production and its byproducts are all associated with environmental and health effects including climate change.
Coal is extracted from the ground by coal mining. source
Coal is extracted from the ground by coal mining.
In 2011 China produced 3,520 million tonnes of coal – 49.5% of 7,695 million tonnes world coal production. source
In 2011 China produced 3,520 million tonnes of coal – 49.5% of 7,695 million tonnes world coal production.
Outcrop coal was used in Britain during the Bronze Age (3000–2000 BC), source
Outcrop coal was used in Britain during the Bronze Age (3000–2000 BC),
Coal has been detected as forming part of the composition of funeral pyres. source
Coal has been detected as forming part of the composition of funeral pyres.
Coal is primarily used as a solid fuel to produce electricity and heat through combustion source
Coal is primarily used as a solid fuel to produce electricity and heat through combustion
World coal consumption was about 7.25 billion tonnes in 2010 (7.99 billion short tons). source
World coal consumption was about 7.25 billion tonnes in 2010 (7.99 billion short tons).
Coal is expected to increase 48% to 9.05 billion tonnes (9.98 billion short tons) by 2030. source
Coal is expected to increase 48% to 9.05 billion tonnes (9.98 billion short tons) by 2030.
Efforts around the world to reduce the use of coal has led some regions to switch to natural gas. source
Efforts around the world to reduce the use of coal has led some regions to switch to natural gas.
Coal is an important feedstock in production of a wide range of chemical fertilizers and other chemical products. source
Coal is an important feedstock in production of a wide range of chemical fertilizers and other chemical products.
Since 1983, the world's top coal producer has been China. source
Since 1983, the world's top coal producer has been China.
Coal can be converted into synthetic fuels equivalent to gasoline or diesel by several different direct processes. source
Coal can be converted into synthetic fuels equivalent to gasoline or diesel by several different direct processes.
