1. Air pollution

4. What is air pollution?

6. Which are the main air pollutants?

7. Natural sources: Volcanoes

8. Winds

9. Forest fires

10. Anthropogenic sources: The industrial smoke

11. Nuclear pollution

12. Motor vehicles smoke

13. Which effects does air pollution have on human beings and the environment?

17. Rarely use your car! Walk, use your bike or the public transport service! What can we do to reduce air pollution?

18. “ World Car-Free Day” in Romania

19. Oradea ‘ Bikers are not a minority!’

20. Cluj-Napoca ‘ The bikers` march’

21. Ia ş i ‘ Going out without my car’

22. Bucure ş ti

23. Arad ‘Cycling races for schoolchildren’

24. Baia Mare Young people with disabilities chose to use their wheeling chairs or just walk instead of taking the bus in order to reach their Recovery Center.

25. Timi ş oara

26. Slobozia - Chalk drawings -

27. Bicaz ‘The bikers marathon’

28. Realized by the pupils of School number 1, Bicaz, Romania, for the Comenius Project “How schoolchildren can contribute to keeping our planet green and clean” This project has been funded with support from the European Commission. This presentation reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein. “ When we heal the earth, we heal ourselves.” David Orr