Annotated Bibliography

Retrieved From: Individuals
How individuals and families contribute to contamination and pollution, they pollute the air by burning different types of materials such as fossil fuels, plastic and many other types of materials.

Retrieved From: Industries and Businesses
There are many factors producing air pollution and industries is a big one of them, they are often considered as the prime factor in air pollution. There are many implications and health risks associated with industrial air pollution such as Acid Rain, Respiratory Disorders and the depletion of the ozone layer.

Retrieved From: http://www.theguardian.com/environment/2013/jan/22/china-air-pollution-government-official

According to this text The Chinese Government could have done much more 20 years ago to avoid or to have a cleaner and less polluted Beijing, but they didn't  and now people have many respiratory problems, the air pollution of Beijing hit a level of 755 on a scale that goes from 0 to 500 and according to the WHO below 25 is the safe daily level.