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O u r
E n v i r o n m e n t
Page 2


O u r
E n v i r o n m e n t
The environment is everything around us, like
the air we breathe, the water we drink, the
land we walk on, and the plants and animals.
It also includes the weather.
Our environment gives us what we need to
live, such as food, water, and air. It's important
to take care of it so it stays healthy and keeps
us alive.
Page 3


O u r
E n v i r o n m e n t
The environment is everything around us, like
the air we breathe, the water we drink, the
land we walk on, and the plants and animals.
It also includes the weather.
Our environment gives us what we need to
live, such as food, water, and air. It's important
to take care of it so it stays healthy and keeps
us alive.
Pollution
An environmental issue
Page 4


O u r
E n v i r o n m e n t
The environment is everything around us, like
the air we breathe, the water we drink, the
land we walk on, and the plants and animals.
It also includes the weather.
Our environment gives us what we need to
live, such as food, water, and air. It's important
to take care of it so it stays healthy and keeps
us alive.
Pollution
An environmental issue
Environmental pollution happens
when harmful substances or
pollutants get into the
environment, causing bad effects.
These pollutants can come from
different places like factories,
cars, not getting rid of trash
correctly, and other things people
do or that happen naturally.
Page 5


O u r
E n v i r o n m e n t
The environment is everything around us, like
the air we breathe, the water we drink, the
land we walk on, and the plants and animals.
It also includes the weather.
Our environment gives us what we need to
live, such as food, water, and air. It's important
to take care of it so it stays healthy and keeps
us alive.
Pollution
An environmental issue
Environmental pollution happens
when harmful substances or
pollutants get into the
environment, causing bad effects.
These pollutants can come from
different places like factories,
cars, not getting rid of trash
correctly, and other things people
do or that happen naturally.
What is Pollution?
Pollution is when the air, water, or land becomes
dirty or contaminated. This happens when
harmful substances are introduced into the
environment, causing damage to living things and
their surroundings.
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FAQs on PPT: Our Environment - Science for Class 4

1. What are the main causes of environmental pollution?
Ans. Environmental pollution is mainly caused by factors such as industrial activities, vehicle emissions, deforestation, and improper waste disposal.
2. How does deforestation affect the environment?
Ans. Deforestation leads to loss of biodiversity, disruption of ecosystems, and contributes to climate change through the release of stored carbon dioxide into the atmosphere.
3. What are some ways to reduce plastic pollution?
Ans. To reduce plastic pollution, one can use reusable bags, bottles, and containers, avoid single-use plastics, and properly recycle or dispose of plastic waste.
4. How does air pollution impact human health?
Ans. Air pollution can cause respiratory problems, cardiovascular diseases, and other health issues, especially in children, elderly individuals, and those with pre-existing conditions.
5. What are the benefits of recycling?
Ans. Recycling helps conserve natural resources, reduces energy consumption, minimizes waste in landfills, and contributes to a cleaner and healthier environment for future generations.
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