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Of the three main fossil fuels, coal is the most carbon-intensive, followed by oil and then natural gas. In other words, each unit of heat produced by burning coal results in more carbon dioxide being added to the atmosphere.

But, carbon dioxide is hardly the worst environmental issue we have. Coal also has many actual pollutants in it besides the CO2 issue that are directly and measurably bad for our environment. Sulfur compounds, which do actual harm to life on the planet also emit from the burning of coal. These along with the soot also form global dimming and cooling issues in addition to the health issues associated with sulfur compounds. Mercury is also found in coal, which makes it a very poor choice for fuel without serious filtering equipment being employed at the burn site. Coal pretty much wins the bad fuel choice award.

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14y ago

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