2. Pollution is the introduction of contaminants into the natural
environment that cause adverse change.
Pollution can take the form of chemical substances or
energy, such as noise, heat or light.
3. Examples of Air Pollution
• Noise Pollution
• Tobacco Smoke
• Exhaust Gases of Vehicles
• Combustion of Coal
• Acid rain
4. Water Pollution
Water pollution is the introduction into fresh
or ocean waters of chemical, physical, or biological
material that degrades the quality of
the water and affects the organisms living in it.
5. Examples of Water Pollution
• Industrial affluents
• Mining and Agricultural Wastes
• Sewage Disposal and Domestic Wastes
6. Forms of pollution
• Air pollution
• Light pollution
• Noise pollution
• Thermal pollution
7. Ways to Reduce Air Pollution
• Conserve energy.
• Recycle paper, plastic, glass bottles,
cardboard, and aluminum cans.
• Buy green electricity
• Wash clothes with warm or cold water instead
of hot.
