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How many babies will be born during this lesson?
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How many people are there in the world at the moment?
• Write how many you think in the back of your books
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How many people are there in the world at the moment?
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How many people are there in the world at the moment?
• The world population is the total number of humans alive on the planet Earth at a given time. In early 2006, the world population reached 6.5 billion.
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How many people are born every minute?
•Just watch and learn…..
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How many people are born every minute?
•20
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How many people are born every minute?
•40
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How many people are born every minute?
•60
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How many people are born every minute?
•80
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How many people are born every minute?
•100
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How many people are born every minute?
•120
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How many people are born every minute?
•140
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How many people are born every minute?
•160
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How many people are born every minute?
•180
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How many people are born every minute?
•200
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How many people are born every minute?
•220
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How many people are born every minute?
•240
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So in a 50 minute lesson….
• How many?
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So in a 50 minute lesson….
• 12 000!
Some of them even less intelligent than G.W.B !!
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Population increase
• Does the population also increase at 240 per minute?
• If yes – why?• If no – why?
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Population increase
• Babies are born at about 240 per minute• The number of people dying every minute
must be __________ that number because
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Problems relating to population increase
• Can the number of people on the Earth continue to rise indefinitely?
• What are the problems with having loads of people on the Earth
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Population Explosion
• Pollution• Use of resources• Wildlife• Quarrying• Housing• Roads• Waste disposal• Finding partners
Make a list of the effect that the growth of our population has had on resources, land and pollution
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A few questions…..• Is this a world wide problem?• http://news.bbc.co.uk/1/hi/world/europe/
4768644.stm• Why do people have lots of babies?• http://www.cnn.com/2006/HEALTH/parenting/
05/08/mothers.index/index.html• How do people in different countries try to limit
the number of babies born per family?• http://www.galtoninstitute.org.uk/Newsletters/
GINL9105/Third_World_Aid.htm
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What do you think?
• If we need an average of 2.1 babies per family WORLDWIDE to maintain a stable population – how are we going to do it?