Презентація на тему «Greenhouse effect»

GREENHOUSE EFFECT
1

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?
2

WHAT ARE
GREENHOUSE
GASES?
Greenhouse gases are gases in the
Earth's atmosphere that collect heat
and light from the sun.
3
СO2
CH4
NO2
CFC

Solar radiation passes through the clear
atmosphere.
Most radiation is absorbed by the Earth's
surface and warms it.
4

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?
5

Without greenhouse effect the earth
would be freezing or ,on the other
hand ,it would be burning hot.
6

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.
7

Global warning destroy forests, kill animals .
In the forests some plant and tree leaves
can be so dry that they catch on fire.
8

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
9

Using sprays
Watching TV
Listening to CDs
Playing computer games
10

Water and Oil
10

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
11

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