student sample by hedongchenchen

VIEWS: 4 PAGES: 10

									Rain that has become acidic due to pollutants
 in the air
      *Sulfur dioxide
      *Nitrogen Oxides
Causes damage to nature and manmade
 structures when it falls down to the earth.
              Air Pollution


 Air pollution includes all contaminants
  found in the atmosphere. These
  dangerous substances can be either in
  the form of gases or particles.
           Global Warming
 The gradual heating of the Earth due to
  greenhouse gases, leading to climate
  change and rising sea levels. Renewable
  energy, energy efficient buildings and
  sustainable travel are examples of ways to
  help avert the greenhouse effect.
Ozone depletion
            Water Pollution

 Water pollution is the contamination of
  water bodies such as lakes, rivers, oceans,
  and groundwater.
   Overpopulation


 Overpopulation is a
  condition where an
      organism's
 numbers exceed the
carrying capacity of its
        habitat.
                   Rainforest
                   Destruction



The immediate causes of rainforest destruction are clear.
   The main causes of total clearance are agriculture
        and in drier areas, fuel wood collection.
     The main cause of forest degradation is logging
 Are you affected

              with these

                     problems?
What
       is
            your
                     plan

            today?

								
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