Презентація "Greenhouse effect"

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GREENHOUSE EFFECT
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The greenhouse effect is when the temperature rises because the sun’s
heat and light is trapped in the earth’s atmosphere.

WHAT IS
GREENHOUSE
EFFECT?
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WHAT ARE
GREENHOUSE
GASES?
Greenhouse gases are gases in the
Earth’s atmosphere that collect heat
and light from the sun.
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СO2
CH4
NO2
CFC


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Solar radiation passes through the clear
atmosphere.
Most radiation is absorbed by the Earth’s
surface and warms it.
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If there gets to be too many gases,
the earth can get unusually warmer and many plants, animals and people
will die.
What is global
warming doing
to the
environment?
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Without greenhouse effect the earth
would be freezing or ,on the other
hand ,it would be burning hot.
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Global warning make the sea level become
higher.
Water covers many low land islands.
Animals lose a source of food in their
habitat. They die.
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Global warning destroy forests, kill animals .
In the forests some plant and tree leaves
can be so dry that they catch on fire.

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What Causes of
Global
Warming?
Electrical pollution
Using a hair
dryer
Using an air
conditioner
Heating a meal in
the microwave
Using a washing
machine
Electrical nets
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Using sprays
Watching TV
Listening to CDs
Playing computer games
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Water and Oil
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What Must We
Do to Stop
Global Warming?
1.Recycle
2.Plant trees
3.Turn off television,
computers and
lights when we
leave home
4.Walk instead of driving a car
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