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When you burn coal to generate electricity (or even to heat your home) the gas going up the chimney contains carbon dioxide, water vapor, nitrogen, nitrous oxides, sulfur oxides, fly ash and Mercury. There is also solid waste ash that must be removed afterwards, though some of this can be used in building.

The carbon dioxide and water vapor it emits contributes to greenhouse gases. The other toxic gases pollute the air and are often collected by raindrops and turned into acid rain with the resultant damage to the environment.

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16y ago

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