Download - Global Warming
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WELCOME
A
SESSION
ON
GLOBAL
WARMING
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CONTENTS
Definition
Causes
Effects
Prevention
Thanks
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DEFINITION
Global warming
is the observed
and projected
increases in
the average
temperature of
Earth's
atmosphere
and oceans.
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CAUSESCarbon dioxide(CO2)
emissions.
Catastrophic
changes in the
environment take
place when the
concentration of
CO2 reaches the
level of about 450
ppm.
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EFFECTSIncrease of temperature
on the earth by about
3°c to 5°c by the year
2100.
Rise of sea levels by 25
meters (82 feet) by the
year 2100.
Melting of Glaciers and
Polar ice.
Increase of weather
events and natural
disasters like Droughts,
Floods, Tornadoes, etc.
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PREVENTIONUse
to reduce
CO2 .
Every one should
Make
to save water.
Use to
replace electricity and
fuel.
&
protect our
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THANKS
Thank
You.
Bishweashwar Shukla.
Vanasthali Public School,
Class-VI(B), Roll No-7,
Nilgiri House,
Mayur Vihar-III, Delhi-96.