The Ozone http://www.youtube.com/watch?v=A8tDVkaz6vY - PowerPoint PPT Presentation

Title: The Ozone http://www.youtube.com/watch?v=A8tDVkaz6vY


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The Ozonehttp//www.youtube.com/watch?vA8tDVkaz6
vY
Good Up High, Bad Nearby
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Why Do we want to save the Ozone ?
The Ozone Layer
Who is at risk?
Causes of the Ozone Depletion
The Solution
What are the health effects of the Damaged Ozone?
Last
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The Ozone Layer

• The ozone layer is a layer of gas in the upper
  atmosphere which protects humans and other living
  things from the harmful ultraviolet (UV-B) rays
  of the sun.

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Why Do We Want to Save the Ozone?

• Ozone exists both in the upper atmosphere and
  the lower atmosphere.  It has good and bad
  effects on us depending on where it is located. 
  In the upper atmosphere ozone shields us from the
  damaging rays of the sun.  Ground level ozone in
  the air we breathe can cause bad health effects.

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Causes of the Ozone depletion
Burning Fossil Fuels
Deforestation
Uses of CFCs
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What are the health effects of the Damaged Ozone?

• Ozone can have a variety of effects on your
  respiratory system.     gtOzone can irritate
  your lungs and throat, causing symptoms such as
  coughing  wheezing.         gtOzone can compress
  your breathing passages, making it harder to
  breathe .           gtOzone reacts with lung
  tissues, and can cause
  m chest pain .

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Who is at risk?

• The health effects are of concern to everyone who
  works, plays or spends time outdoors, even the
  healthiest people.  The effects can be the most
  dangerous for children, the elderly, and those
  with asthma.

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Deforestation

• Deforestation is the clearance of forests by
  taking down and/or burning, which reduces the
  usage of carbon dioxide , and reduces the
  production of oxygen.

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Burning Fossil Fuels

• Burning of fossil fuels leading to higher carbon
  dioxide concentrations, which would lead to a
  hole is the ozone layer.

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Uses of CFCs

• Use of ChloroFluoroCarbons (CFCs) in
  refrigeration systems, and use of CFCs in fire
  suppression systems and manufacturing processes.

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Solution
Solution by Al-Ieman Students
Actions taken by humans
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Actions taken by Humans

• Vehicle air conditioning units should regularly
  be checked for leaks.
• Suggest school activities to increase awareness
  of the problem and to initiate local action.
• Encourage growth of plants that produce oxygen
  and discourage deforestation.

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Suggested Solution by Al-Ieman Students

• Renewable
• ENERGY SOURCE

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SOLAR SYSTEM

• How it works There are three main ways that we
  use the Sun's energy-
• 1 Solar Cells They convert light directly into
  electricity.
• In a sunny climate,((LIKE QATAR)) is easy to get
  enough power to run a 100W light bulb from just
  one square meter of solar panel.
• This was originally developed in order to provide
  electricity for satellites, but these days many
  of us own calculators powered by solar cells.

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SOLAR SYSTEM
2- Solar water heating, where heat from the Sun
is used to heat water in glass panels on your
roof. This means you don't need to use so much
gas or electricity to heat your water at
home. Water is pumped through pipes in the panel.

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SOLAR SYSTEM

• 3- Solar cars
• It is the best alternative of cars that run by
  diesel or petrol, which is one of the most
  terrible causes of environmental pollution.
• Solar cars decrease the percentage of air
  pollution , which recovers the Ozone hole.

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• Thank You For Listening Watching
• ???????? ???????????? ????????????
• ??? ??????? ???????? ??????????? Done by Eman
  Ibrahim
• ?????? ??????? ???? ????????? Sponsored by
  Mrs.Hiba Al Ibrahim