Clean Air:

We need first Clean Air then Clean water to survive, without these two there would be no life.Air pollution is the human introduction into the atmosphere of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damages our environment. Air pollution causes deaths and respiratory disease. Air pollution is often identified with major stationary sources, but the greatest source of emissions is mobile sources mainly cars. Gases such as CARBON DIOXIDE which contribute to global warming, have recently gained recognition as pollutants by climate scientists, while they also recognize the carbon dioxide is essential for plant life through photosynthesis. The atmosphere is a complex, dynamic natural gaseous system that is essential to support life on plant Earth.  Stratospheric Ozone Depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems.

WHY We NEED CLEAN AIR?

1. We need clean air to live.
2. Body needs Oxygen. Oxygen carried out to our brain via our hearts which pumps blood full of Oxygen into our brain.
   
3. People have choices. a) Have a clean air into their bodies, 2) Or smoke and become unhealthy.
4. People die of poor quality air.
5. Because of polluted air Asthma in children have grown by 80% in the last decade.
6. Green house gas emissions has been damaged by vehicle emissions contributing significantly to increase CO2 levels. 
   

HEALTHY ENVIRONMENT

It is surrounding atmosphere and condition for existence. It is also an essential natural process or an outcome of occurrence. It is two types:

1. Positive Environment. Father
   
2. Negative Environment. Mother.
   
3. Above points 1+2 marry and give birth to the Children.
   
4. So environment has positive such as sun/ moon/ earth/ forest/ cold/ hot/ deserts. Negative such as insects, pests etc which both form an environment. Negative and positive make environment.