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GLOBAL WARMING
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CONTENTI. 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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WHAT IS GLOBAL WARMING?
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GLOBAL WARMING IS VERY DANGEROUS!
WHAT IS GLOBAL WARMING?Global warming:
refers to the rising average temperature of earth’s atmosphere.
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1What are the causes of global warming?
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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
What is GREENHOISE GAS?Greenhouse gases: are gases that trap orabsorb 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
http.//en.wikipedia.org/wiki/Greenhouse Gas
Those gases are Methane (CH4) Nitrous Oxide (N2O) Carbon Dioxide (CO2) Chlorofluorocarbons (CFC)
http.//en.wikipedia.org/wiki/Greenhouse Gas
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?
Indian cow eating rubbish
But, We are increasing Greenhouse gases
Leading Education, Inspiring Development
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Deforestation
CO2CO2CO2CO2
CO2
CO2 CO2
CO2
CO2
absorb
absorb
absorb
absorb
05/02/2023 - World Wildlife Fund Report 2005Leading Education, Inspiring Development
If we cut trees, who will absorb CO2?
CO2
CO2 CO2CO2
CO2
CO2 CO2 CO2
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• JELLYFISH
CNN.com/t- CNN.com/technology November 16, 2007
. Natural causes
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Global warming happens by nature such as:
CO2, CH4, CFC,N2O
CO2,CFC,N2O, CH4
Volcano Forest fire
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“ Global Warming is the most serious threat facing the planet.”
TONY Blair,(1997-2007)
• JELL• YFISH
• “”
CNN.com/t- CNN.com/technology November 16, 2007
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2. EFFECT OF GLOBAL WARMINGThere are 4 main effects:
. Increase temperature . Melting the land ice . Rise of sea levels . Disaster
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. Increase Temperature
Our earth will increase more 3c to 5c (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 iceFor 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 levelsRise 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
Leading Education, 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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DROUGHTDrought in Somali
11.5 million people do not have food. (The World Health Organization) http.//en.wikipedia.org/wiki/2011_East_Africa_drought 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 ?
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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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Referenceshttp.//en.wikipedia.org/wiki/Greenhouse Gashttp.//en.wikipedia.org/wiki_of_global_warminghttp.//environment.nationalgeographic.com/environment/
global-warming/gw-cause/effectwww.bbc.co.uk/newa/world-africa-14211905www.cnn.com/2011/20/10/world Asia/flooding/index.htm
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THANK YOUVERY MUCH FOR
YOUR ATTENTION!