Atmospheric Effects of Deforestation

Atmospheric Effects of Deforestation - Why is this...

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Atmospheric Effects of  Deforestation
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A worrying effect of deforestation= global  warming Global warming is defined as…. An increase in the average temperature of the  earth's atmosphere, especially a sustained  increase sufficient to cause climatic change.
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Global Warming
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How is this Happening? The Greenhouse Effect Warms the Earth, without it Earth would be  too cold Increasing amounts of Greenhouse gases in  the Atmosphere--->more heat waves are  trapped           -->the Earth is warmed Many negative effects on the Earth
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The Greenhouse Effect
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Why is this relevant? Deforestation may account for some of the  rises of Greenhouse gases Photosynthesis When trees get cut down (especially when  they are burned) carbon reacts with oxygen  and becomes CO Prior to Industrial Revolution vs. Now
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Unformatted text preview: Why is this relevant? The Earth’s Carbon Cycle The Earth’s Carbon Cycle • Human’s responsible for entering 5 million tons of carbon into the Atmosphere via fossil fuel emission • More striking= impact of deforestation in terms of the amount of carbon released Result? • When this occurs, the balance of CO2 in the atmosphere is disrupted. As the levels of C02 increase, so does global warming. CO Concentrations ₂ The Facts: The Amazon Rainforest • About 20% of earth's oxygen is produced by the Amazon rainforest • >20% of the Amazon has been destroyed and has played a factor in Global Warming • Known as the “Lungs of our Planet” – Vegetation continuously recycles carbon dioxide to oxygen...
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This note was uploaded on 06/07/2010 for the course HIST 213 taught by Professor Oriji during the Spring '10 term at Cal Poly.

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Atmospheric Effects of Deforestation - Why is this...

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