What is Global Warming ? what are the causes of Global Warming ? What are the effects of Global Warming ? what shall we do ?

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GLOBAL
WARMING
23/01/2013 2

2. I. Introduction:
What is Global Warming?
II. Global Warming:
1.What are the causes of Global Warming?
2.What are the effects of Global Warming?
3.What shall we do?
III. Conclusion and References:
IV. Thanks:

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4. WHAT IS GLOBAL
WARMING?
4
GLOBAL
WARMING IS
VERY
DANGEROUS!

5. WHAT IS GLOBAL WARMING?
Global warming:
refers to the rising
average
temperature of
earth’s atmosphere.
5

6. 1What are the causes of global warming?
6

7. Causes of Global Warming
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There are two main causes:
.Human made
causes
.Natural causes

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.What are Human doing?
Human are doing:
Greenhouse gases
Deforestation

9. What is GREENHOISE GAS?
Greenhouse gases: are gases that trap or
absorb heat in the earth’s atmosphere.
 Those gases have:
 Methane (CH4)
 Nitrous Oxide (N2O)
 Carbon Dioxide (CO2)
 Chlorofluorocarbons (CFC)
http.//en.wikipedia.org/wiki/Greenhouse Gas

10. Where Greenhouse gases come from ?
CH4,C
O2
CFC
CO2,
CH4
Where greenhouse gases
come from?
CO2, CH4
CFCCFC

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How Greenhouse Gases Effect Global warming?

12. But, We are increasing Greenhouse gases
LeadingEducation,Inspiring Development

13. 5/29/2014 13LeadingEducation,Inspiring Development
Deforestation
CO2
CO2CO2CO2
CO
2
CO2 CO2
CO2
CO
2
absorb
absorb
absorb
absorb

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- World Wildlife Fund Report 2005LeadingEducation,Inspiring Development
If we cut trees, who will absorb CO2?
CO2
CO2 CO2
CO2
CO2
CO2
CO2 CO2

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• JELLYFISH
CNN.com/t- CNN.com/technology November 16, 2007
. Natural causes
LeadingEducation,Inspiring Development
Global warming happens by nature such as:
CO2, CH4,
CFC,N2O
CO2,CFC,N2O,
CH4
Volcano Forest fire

16. “ Global Warming is the most
serious threat facing the planet.”
TONY Blair,(1997-2007)
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• JELL
• YFISH
• “”
CNN.com/t- CNN.com/technology November 16, 2007

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2. EFFECT OF GLOBAL WARMING
There are 4 main effects:
. Increase temperature
. Melting the land ice
. Rise of sea levels
. Disaster

18. 5/29/2014 United States Environmental Protection Agency 18
. Increase Temperature
 Our earth will increase more 3c
to 5c (5.4 to 9 Fahrenheit) by
the year 2100.
http.//timeforchange.org/cause-and effect-for global-
warming

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. Melting the land ice
For instance, iceberg in the east coast of
Antarctic are melting.
http.//en.wikipedia.org/wiki_of_global_warming

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. Rise of sea levels
Rise of sea levels will increase at least 25
meters(82 feet) by the year 2100.
• http.//en.wikipedia.org/wiki/Sea-Level

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. Disaster
There will be extremely disasters such as:
 Floods
 Droughts
 Storms

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FLOOD
LeadingEducation,Inspiring Development
Flooding in Cambodia(09.2011) Flooding in Thailand(11.10.2011)
. 10,000 families were evacuated . 352 people were died (Thursday,
. 83,000 houses were flooded 20,10,2011 )
. More than 247 people were died www.cnn.com/2011/20/10/world
. 163,000ha(rice) were underwater asia/flooding/index.htm/

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DROUGHT
Drought in Somali
11.5 million people do not have
food.
(The World Health Organization)
http.//en.wikipedia.org/wiki/2011_East_Africa_drou
ght
 www.bbc.co.uk/news/world-africa-14211905

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Please, Help Our Planet!
If you don’t care, who
will care?

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3.What Shall we do ?
LeadingEducation,Inspiring Development
Law Enforcement (increasing tax, restrict some
kind of manufacturing…)
Forestation
Reduce, Reuse, Recycle
Take public transportation (bus)

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III. Conclusion

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References
http.//en.wikipedia.org/wiki/Greenhouse Gas
http.//en.wikipedia.org/wiki_of_global_warming
http.//environment.nationalgeographic.com/environ
ment/global-warming/gw-cause/effect
www.bbc.co.uk/newa/world-africa-14211905
www.cnn.com/2011/20/10/world
Asia/flooding/index.htm

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THANK YOU
VERY MUCH FOR
YOUR
ATTENTION!