Atmospheric pollution
by John Brennan
1. CFC gases
1.1. Damage Ozone layer
2. Fossil fuels
2.1. Coal
2.2. Oil
2.2.1. Carbon Particles
2.3. Gas
2.4. Power stations
2.4.1. CO2
2.4.1.1. Greenhouse effect
2.4.2. SO2
2.4.2.1. Acid Rain
2.5. Cars
2.5.1. NOX
2.5.1.1. Causes smog
2.5.1.2. Causes Asthma.