Global warming.jasper
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Global Warming
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Outline
The Effects3
The Man-made Causes2
The Natural Causes1
tiGlobal
Warming
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The Nature Causes
Sun spots
Water vapor
Climate Cycle
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Sunspots
The sunspots will have an intense influence on magnetic activity.
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Water
Water vapor: the gas shape of water, which play an important role in global warming.Water vapor absorbs and emits the radiation to the atmosphere, thereby increasing the temperature.(Dr.S.Fred.2001)
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Climate Cycle
The regular climate change cycles, which occur over a period of approximately 40,000 years.Nowadays, the earth turn to the warming cycle naturally(National Graphic).
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The Man-Made Causes
Fossil fuels
Methane
Deforestation
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Fossil fuels
Excessive Development and Usage of Fossil uels for a Long Term
The Chart of Global Fossil Carbon Emissions from 1800 to 2000.
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Carbon Dioxide
A Greenhouse Gas which producted by buring fossil fuels.
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Methane
Methane is mainly emitted by industry.
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Deforestation
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The Reasons
Much of the temperature change is down to human influence
tiNature Cause
tiHuman Cause
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The Effects
Temperature increasing
Glaciers melting
Animal migration
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Temperature
Global Annual Average Temperature Run Chart
High Expected value
Low Expected value
Nearly 100 years the average global temperature has increased. (0.6~0.9 )℃
In the future,the earth willbecome muchhotter.
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Glaciers melting
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Animal Migration
The change of living environment will lead to the animal migration
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Summary
In conclusion, Global warming is caused by the combination between natural and human activities. The natural reason contains the sun spots exploding, Water vapor, and Climate cycles. And the Burning fossil fuels, Methane and Deforestation can be considered as the man-made reason. All of the factors are contributed to the effect of temperature increasing, sea level rise and the animal migration, which will have an negative on the development of human.
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Reference
http://voices.yahoo.com/the-natural-causes-global-warming-427295.html?cat=7
http://oilprice.com/The-Environment/Global-Warming/What-Are-The-Causes-Of-Global-Warming.html
http://environment.nationalgeographic.com/environment/global-warming/gw-effects/
http://www.guardian.co.uk/environment/2010/jan/29/water-vapour-climate-change
http://www.sciencedaily.com/releases/2009/05/090502092019.htmhttp://globalwarming.ygoy.com/2009/06/23/methane-%E2%80%93global-warming-effects/
http://www.ehow.com/list_7639029_manmade-causes-global-warming.html
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