smog
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TRANSCRIPT
- 1.
2. Effects
- Humanasthma, emphysema, chronic bronchitis and other respiratory problems as well as eye irritation and reduced resistance to colds and lung infections.
3. Ozone inhibits plant growth 4. Buildings suffer weathering and blackening 5. 6. 7. 8. 9. Where Smog happens
- London (1952 12,000)
10. Mexico City 11. Tehran (2005 1600) 12. LA 13. Beijing 14. 15. Solutions? 16.
- Catalytic converters
17. Vapour recovery/ Conservation systems 18. Use of renewable sources of energy 19. Limiting access of polluting vehicles to cities