Not caring for our environment
Pages :92-93
Definition of pollution
Types of pollution
How to protect the environment?
Quick questions
What is pollution?
• Pollution is when something is added to the environment
that is harmful or poisonous to living things.
• Contamination of air, water, or soil by substances that
are harmful to the living organisms.
There are four main forms of pollution: air, water, noise ,plastic and
land.
Air pollution
• Wildfires and volcanoes cause some air pollution.
• Most air pollution comes from burning fossil fuels. These
include coal, oil, and natural gas.
• Factories, electrical plants, and automobiles burn these
fuels for power.
• Air pollution may cause lots of diseases.
• It affects human health, plants and animals.
Air pollution
Water pollution
• Some causes of water pollution are easy to see.
• People dump garbage and sewage into creeks, rivers,
ponds, lakes, and oceans.
• Factories or cities sometimes release oils, poisonous
chemicals, and other wastes into water.
• Some people throw plastic,clothes and dead animals.
Water pollution
Land pollution
• Littering, or tossing garbage on the ground, is a form of
land pollution.
• Litter is unpleasant to look at. It also can destroy the
habitats and homes of plants and animals.
Land pollution
Noise pollution
• Noise pollution also known as sound pollution
• It is noise which is harmful to humans and animals.
• This includes the sound of vehicles, loud speakers and
factories.
• Noise pollution can cause ear problems or even
permanent deafness, especially to older people.
Plastic pollution
Plastic pollution is the accumulation (piling up) of plastic
products in the environment that affects wildlife habitats ,
or humans.
• Let’s watch the video together to know more about pollution.
What to do to protect the
environment?
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Reusing our plastic object.
Rivers should not be used to washing clothes or bathing animals in.
Harvesting rainwater to meet water requirements.
Stop throwing dead bodies of animals in the river.
Air ports must be away from residential areas
Trees should be planted everywhere.
Recycle cans and bottles.
Print as little as necessary.
Use energy-efficient light bulbs instead of regular bulbs. They last
longer, which will save you a bit of money.
• Make sure you turn off lights, the TV, and other appliances when
you are not using them.
• Limit your water usage.
Questions
1. What are some ways that we can keep
the environment safe from pollution?
a) We can use things that will not hurt the earth.
b) We can travel less in cars.
c) We can recycle some things instead of throwing them
away.
d) All answers are correct.
2. How can giving toys away help to stop
pollution?
a)
b)
c)
d)
Toys can be replaced.
It is fun to buy new toys.
Toys pollute everything.
Toys can be used by another person instead of taking
up space in a landfill.
3.What is one cause of air pollution?
a)
b)
c)
d)
litter found on the side of the road
water used as a coolant by power plants
burning fossil fuels
Listening to loud music
4.What is a main cause of water pollution?
a) Use of water for plants
b) Dumping dead animals.
c) Collecting rain water.