Air Pollution=)

1. What is air pollution?
-Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm to humans or other living organisms, or damages the natural environment, into the atmosphere.

URL: http://en.wikipedia.org/wiki/Air_pollution

2. What are the causes? (names 3)
-Carbon Dioxide: one of the major pollutants in the atmosphere. Major sources of CO2 are fossil fuels burning and deforestation.
-nitrous oxide: Comes from nitrogen based fertilizers, deforestation, and biomass burning.
-Sulfur and chlorofluorocarbons (CFCs): Sulfur dioxide is produced by combustion of sulfur-containing fuels, such as coal and fuel oils. Also, in the process of producing sulfuric acid and in metallurgical process involving ores that contain sulfur.
3. What are the effects? (Name 3)
-Smog: appearing in regions of the tropics and subtropics where savanna grasses are periodically burned.
-Pollution Damage to Plants
-With the destruction and burning of the rain forests more and more CO2 is being released into the atmosphere. Trees play an important role in producing oxygen from carbon dioxide.
URL: http://healthandenergy.com/air_pollution_causes.htm

KarYee here=)