Question

Most polluting energy source is-​

Answer 1

Explanation:

coal

And the biggest dirty energy source is coal. If this sounds pretty strong, it's because the science supports this unequivocally. Coal accounted for 45% of global, energy-related carbon dioxide emissions in 2011 and is the world's leading source of energy-related carbon pollution.

Answer 2

Answer:

carbon dioxide

Explanation:

And the biggest dirty energy source is coal. If this sounds pretty strong, it's because the science supports this unequivocally. Coal accounted for 45% of global, energy-related carbon dioxide emissions in 2011 and is the world's leading source of energy-related carbon pollution.