References

These are the websites I used to create this blog.

http://www.explainthatstuff.com/air-pollution-introduction.html

http://eschooltoday.com/pollution/air-pollution/causes-of-air-pollution.html  

http://opishposh.com/10-biggest-causes-of-air-pollution/ 

http://education.nationalgeographic.com/education/encyclopedia/air-pollution/?ar_a=1

http://www.livestrong.com/article/213109-long-term-effects-of-air-pollution/

http://www.epa.gov/acidrain/education/site_students/whatcauses.html http://www.epa.gov/acidrain/effects/index.html

http://www.mercedes-benz.co.nz/content/new_zealand/mpc/mpc_new_zealand_website/en/home_mpc/passengercars/home/passenger_cars_world/environment/About_Sustainable_Mobility/Production.html