Air pollution is when unwanted chemicals, gasses, and particles enter the air and the atmosphere causing harm to animals and damaging the natural cycles of the Earth.
Various Causes of Air pollution
- The burning of fossil fuels
Sulfur dioxide emitted from the combustion of fossil fuels like coal, petroleum and other factory combustibles are one the major cause of air pollution. Pollution emitting from vehicles including trucks, jeeps, cars, trains, airplanes cause an immense amount of pollution. We rely on them to fulfill our daily basic needs of transportation.
- Agricultural activities
- Exhaust from factories and industries
- Mining operations
- Indoor air pollution
Ways of preventing Air Pollution
- Use public mode of transportation
Encourage people to use more and more public modes of transportation to reduce pollution. Also, try to make use of carpooling. If you and your colleagues come from the same locality and have same timings you can explore this option to save energy and money.
- Conserve energy
Switch off fans and lights when you are going out. A large number of fossil fuels are burnt to produce electricity. You can save the environment from degradation by reducing the number of fossil fuels to be burned.
- Understand the concept of Reduce, Reuse and Recycle
Do not throw away items that are of no use to you. In-fact reuses them for some other purpose. For e.g. you can use old jars to store cereals or pulses.
- Emphasis on clean energy resources
Clean energy technologies like solar, wind and geothermal are on high these days. Governments of various countries have been providing grants to consumers who are interested in installing solar panels for their home. This will go a long way to curb air pollution.
- Use energy efficient devices
CFL lights consume less electricity as against their counterparts. They live longer, consume less electricity, lower electricity bills and also help you to reduce pollution by consuming less energy.
Noise is defined as unwanted sound. Noise Pollution is an excess of annoying degree of sound coming from a particular area. Examples – Traffic or Aeroplane engines.
Various Causes of Noise Pollution
- Poor Urban Planning
- Social Events
- Construction Activities
- Household Chores
Effects of Noise Pollution
- Hearing Problems
- Health Issues
- Sleeping Disorders
- Cardiovascular Issues
- Trouble Communicating
- Effect on Wildlife
How to Reduce Noise Pollution?
- Turn off Appliances at Home and offices.
- Shut the Door when using noisy Machines.
- Use Earplugs.
- Lower the volume.
- Stay away from Noisy area.
- Follow the Limits of Noise level.
- Control Noise level near sensitive areas.
- Go Green by planning trees.
Strategies & Activities:
Step1 : Teacher revises the previous topic.
Step 2: Teacher introduces the new topic.
Step3: Teacher explains the new topic.
Step4: Teacher welcomes pupils’ questions.
Step5: Teacher evaluates the pupils.
Assessment & Evaluation:
- Say the meaning of noise and air pollution
- List the causes of noise and air pollution
- Identify the ways of preventing noise and air pollution
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