Question

Why is coal the worst energy source?

Answer 1

Answer:

"“Coal plants are the nation's top source of carbon dioxide (CO2) emissions, the primary cause of global warming. In 2011, utility coal plants in the United States emitted a total of 1.7 billion tons of CO2. ... Burning coal is also a leading cause of smog, acid rain, and toxic air pollution."

Answer 2

Coal plants are the nation's top source of carbon dioxide (CO2) emissions, the primary cause of global warming. In 2011, utility coal plants in the United States emitted a total of 1.7 billion tons of CO2. ... Burning coal is also a leading cause of smog, acid rain, and toxic air pollution.

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