Environment and Health Care Problems of Air Hygiene

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Across
  1. 4. (9 letters) Type of pollution from motor vehicles and factories.
  2. 6. (6 letters) Gas mainly responsible for global warming.
  3. 7. (8 letters) International agreement to reduce greenhouse gas emissions.
  4. 9. (10 letters) The study of the relationship between environment and human health.
  5. 10. (7 letters) A major greenhouse gas produced by livestock and waste decay.
  6. 12. (7 letters) The natural movement of air in the environment.
  7. 13. (11 letters) A disease caused by long-term exposure to polluted air, especially in industrial areas.
  8. 14. layer (9 letters) The upper layer of the atmosphere that protects from UV radiation.
  9. 15. (7 letters) Gas released from burning fossil fuels that causes acid rain.
Down
  1. 1. (8 letters) Indoor air pollutant from smoking.
  2. 2. (10 letters) The process by which green plants purify the air by absorbing carbon dioxide.
  3. 3. (9 letters) Small living organisms in the air that can cause respiratory infections.
  4. 5. (9 letters) Type of pollution caused by smoke, fog, and chemical fumes in the atmosphere.
  5. 8. (8 letters) Device used in industries to remove dust particles from emissions.
  6. 11. (8 letters) Tiny solid or liquid particles suspended in air, harmful to lungs.