Coal

The video tutorial provides an in-depth look at coal, a non-renewable fossil fuel formed from ancient plant matter. It explains coal's role as a major energy source for electricity production and details the process of its formation over millions of years. The tutorial classifies coal into four types based on carbon content and energy output: lignite, subbituminous, bituminous, and anthracite. It also covers methods of coal extraction, including underground and surface mining, and discusses the environmental and health impacts of coal mining and burning, highlighting the pollutants released and the land and water contamination caused.

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