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Smog is a word created by combining the words smoke and fog and is generally used to describe the yellowish haze over US cities in the summer months. Ozone, three atoms of oxygen linked together, is the primary component of smog and is formed when nitrogen oxides (NOx) react with other atmospheric compounds and sunlight. In most areas of the United States, NOx is the primary contributing factor to ozone and smog formation and also causes acid rain. NOx is emitted from power plants, automobiles and airplanes, and other fuel combustion processes.
Smog can irritate your eyes, nose and throat and at elevated levels worsens existing heart and lung problems. In extremely high levels it may result in an early death. Smog also threatens sensitive flora and fauna, and severely impacts visibility at numerous areas across the United States, including many National Parks, and most major cities.
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Price: $10.00 |
| Offset the emissions from the natural gas usage of the average US household. |
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Price: $50.00 |
| Offset the emissions from a diesel car driven 10,000 miles. |
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Price: $100.00 |
| Offset the annual emissions from the electricity produced from fossil fuel combustion of three average US households. |
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Price: $250.00 |
| Offset the emissions from the tailpipe of a typical passenger van for ten years. |
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