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Global issues - PowerPoint PPT Presentation


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Global issues . Natural disasters .

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Natural disasters

.Natural disasters such as earthquakes, tsunamis, and floods can often come at the least expected time. Others, such as hurricanes and cyclones are increasing in severity and destruction. Typically, the poor are the worst hit for they have the least resources to cope and rebuild!

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Earth quakes

  • An earthquake (also known as a quake, tremor or temblor) is the result of a sudden release of energy in the Earth'scrust that creates seismic waves. And makes the plates move.
  • In Christchurch and Japan lately there have been some really big earth quakes which have causedlot and lots off deaths and devastation.
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Tsunamis

  • Most of the time a tsunami is the result of and major earth quake.
  • A tsunami is a big wall of water/wave that pretty much have the force of the sea behind it ! , it causes so much devastation because what ever stands in its way gets smashed up and swept way out to sea.
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Peak oil

  • Peak oil is the point in time when the maximum rate of global petroleum extraction is reached, after which the rate of production enters terminal decline. This concept is based on the observed production rates of individual oil wells, and the combined production rate of a field of related oil wells.
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Third world poverty

  • Poverty is the lack of basic human needs, such as: clean and fresh water, nutrition, health care, education, clothing and shelter.
  • all that the people living in third world poverty get to eat a day is half a hand full of rice which is really sad 
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Global warming

  • Global warming is the increase in the average temperature of Earth's.
  • The effects, or impacts, of climate change may be physical, ecological, social or economic. Evidence of observed climate change includes the instrumental temperature record, rising sea levels, and decreased snow cover in the Northern Hemisphere.
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By

Oliver Eden-Mann