America

[maesteg]

What does America produce 13 million tons of in a year?

[Rev. Green]

'Today, fossil fuel-fired power plants constitute the largest source of air pollution in the United States. Every year, they collectively emit approximately 2.2 billion tons of carbon dioxide, 13 million tons of acid rain-producing sulfur dioxide, 7 million tons of acid rain- and smog-producing nitrogen oxides, and 43 tons of highly toxic mercury'