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What is the Carrying Capacity of Earth? How many people can fit on Earth without damaging the environment? Ref: mmcconeghy Bennett: Christian Science Monitor.

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Presentation on theme: "What is the Carrying Capacity of Earth? How many people can fit on Earth without damaging the environment? Ref: mmcconeghy Bennett: Christian Science Monitor."— Presentation transcript:

1 What is the Carrying Capacity of Earth? How many people can fit on Earth without damaging the environment? Ref: mmcconeghy Bennett: Christian Science Monitor

2 Carrying Capacity "The maximum number of individuals of a given species that can be supported…. on a sustainable basis. on a sustainable basis. Ref: M. McConeghy lachaostraffic.gif

3 Is it 2 billion or 40 billion people? Some scientists say 2 billion others say 40 billion! When scientists say that the carrying capacity of the Earth is 2 billion, the scientists know we have 6.7 billion already…. What do these scientists mean?? Ref: M. McConeghy

4 What these scientists are really saying is, that….. ….if you add up all the supplies in the world, and divide them up according to the amount that a typical American uses, ….there is only enough resources for 2 billion people Ref: M. McConeghy

5 Some people are … left out. left out. ……the amount of fuel, water, electricity, etc. is just not enough to go around so… We know this is the case because, only about 1.2 billion people live in higher developed countries while the other 4.8 billion people have to make do with less. Ref: M. McConeghy

6 When some scientists say the carrying capacity of Earth is 40 billion, they are saying that… ….IF the richer people give up all their luxuries such as cars, electricity, education, clean water, meat etc. That would allow us to provide minimum amounts of supplies to a much larger number of people. Ref: M. McConeghy


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