Global%20Warming

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Global Warming

• How does global warming affect us?

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Global Warming

• The world is now warmer than it has been for many
  thousands of years. Some scientists believe that
  in the future it will get even hotter. This is
  called global warming and may cause serious
  problems on our planet.

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The Greenhouse effect

• The earth is surrounded by a layer of gases
  including carbon dioxide.
• These keep the earth warm by preventing the
  escape of heat that would normally be lost from
  the atmosphere
• The gases act rather like the glass in a
  greenhouse. They let heat in but prevent most of
  it from getting out.

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Fossil Fuels
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Englands coastline could be flooded if global
warming continues
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Northern ports become ice free
Short term winters, long dry summers
Decrease in grain harvest
Increase in farming
Poor rice crop
Storms
Decrease in fishing catch
Rise in Sea Level
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Graph Showing Carbon Dioxide Levels (1700-2100)
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Effects of Global warming

• Nobody knows the exact effects some things that
  may happen could be
• Polar ice caps and glaciers would start to melt
  as temperatures increased
• Low lying areas would be flooded
• Some plants and animals would become extinct
• Heating and energy bills could be reduced