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Global Warming
Presentation by:
PITHADIA SHRUTI
What is Global Warming?


The changes in the
surface air temperature,
referred to as global
temperature, brought
about by the enhanced
green house effect, which
is induced by emissions
of green house gases in
the air.
It should NOT be confused
with climate change
Difference
GLOBAL WARMING
is the increase of the
Earth’s average
surface temperature
due to a build-up of
greenhouse gases in
the atmosphere.

CLIMATE CHANGE
is a broader term that
refers to long-term
changes in climate,
including average
temperature and
precipitation.
How Global Warming Works

Carbon Dioxide (CO2)

Greenhouse gases

Fossil fuels (coal, oil, natural gas)
Why
Global
Warming?
Some of the activities of man also produce greenhouse
gases. The balance of the greenhouse gases changes
and this has effects on the whole of the planet.
Effects of Global Warming





Increased sea level
Changes in water supply
Rising temperature
Damage to habitats
Warmer waters and
more hurricanes
Increased probability
and intensity of
droughts and heat
waves
At some places, it
Global warming and its effects
At others……
Global warming and its effects
SOMEWHERE
it’s too…….
HOT
WHEREAS At
others too…..
COLD
WHO Is THE
CULPRIT????
Global warming and its effects
Global Atmospheric Concentration of CO2
It’s NOT too LATE

ACT NOW!!!!
What should
be done to
reduce our
emissions?
Dress lightly when it’s hot instead of
turning up the air conditioning.
Spread awareness
Be Bulb Smart—Use CFLs
Compact
Fluorescent

Incandescent

5
0
0
l
b
•1,430 lbs. CO
•$30 saved
s
.

2

pollution avoided
Plant trees.
Global warming and its effects

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Global warming and its effects