How does subsurface coal mining affect the Environment?



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    Disregarding the contribution of coal burning to the carbon dioxide emissions and concentrating on just the underground mining practices, there are many concerns. Sulfuric acid is formed on exposed coal surfaces, which then moves into waterways and contributes to acid rain. Mining releases methane, an important greenhouse gas, contained in coal. Other issues include ground subsidence above collapsed mines, coal dust, water pollution, and toxic waste products (radioactive substances and heavy metals).

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