coal energy coal

  • What is coal?.au

    Most people know coal as a fossil fuel which is used to produce around 40 percent of the world's electricity. 1 It's a flammable black or brown sedimentary rock, and is made mostly of organic carbon. However, there are actually two main types of coal: 'thermal' coal, which is mostly used for power generation, and 'metallurgical' coal, which is mostly used for steel production.

  • Pros and Cons of Coal Energy – AEN News

    Coal is still used as one of the main sources of energy for mankind mostly due to its low price even if we are aware of the fact that coal is a very dirty energy source, which is responsible for the major air pollution and environmental destruction on the planet.

  • Coal - Energy Education

    Coal exhibits a 109 year reserve to production ratio (as of 2012). The total amount of coal reserves is approximately 10 12 tonnes, the United States is home to the largest individual coal reserves. Energy Content. The ultimate energy source of coal is the sun because the energy stored within dead plant matter is what yields coal.

  • Coal - Energy Education