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The Atmosphere

Air pollution primarily results from burning fossil fuels such as coal, oil, gasoline, and diesel, contributing to harmful phenomena like smog and acid rain. About half of air pollution comes from cars, while factories and power plants account for a significant portion. Photochemical smog forms when nitrogen oxides react with hydrocarbons in sunlight, causing lung irritation and damage to materials. Acid rain, formed from sulfur dioxide and nitrogen oxides, harms ecosystems and human health. Learn more about combating these environmental challenges.

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The Atmosphere

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  1. The Atmosphere Air Pollution

  2. Most air pollution is the result ofburning fossil fuels……. • Coal • Oil • Gasoline • Diesel fuel

  3. ½ of the air pollution comes from cars that burn gas and diesel. • ¼ comes from factories and power plants that burn coal and oil.

  4. This forms 2 main types of air pollution SMOG and ACID RAIN

  5. SMOG • Today most cities experience photochemical smog, caused by the action of sunlight on chemicals.

  6. How smog is formed….. • Nitrogen combines with Oxygen = nitrogen oxides. • Nitrogen oxides combine with hydrocarbons (from burning fossils fuels). • In the presence of sunlight they form a mix of chemicals called photochemical smog.

  7. SMOG FORMATION

  8. Harmful Effects of Photochemical Smog • Lung irritation- • Harmful to plants • Damages paint, rubber, and some plastics. • Learn more!!EFFECTS

  9. ACID RAIN • Rain is naturally slightly acidic, but rain that contains more acid than normal is known as acid rain.

  10. ACID RAIN • The smoke and fumes from burning fossil fuels rise into the atmosphere and combine with the moisture in the air to form acid rain. • The mainchemicals in air pollution that create acid rain are sulfur dioxide and nitrogen oxides. • This forms a mild solution of sulfuric acid and nitricacid. • Rainwater, snow, fog, and other forms of precipitation containing those mild acids fall to the earth as acid rain.

  11. ACID RAIN FORMATION

  12. Harmful Effects of Acid rain • Damaging to buildings and statues. • Harmful to plants, especially pine trees. • Harmful to lakes and ponds. Acid rain can make water so acidic that plants, amphibians, fish, and insects can no longer survive in it. • Can even be harmful to humanhealth.

  13. Damage done by Acid Rain

  14. In Conclusion…… • Burning fossil fuels can create both photochemical smog and acid rain. • They are both harmful to people and the environment. • Click HERE to learn more from a short video.

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