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Ryan, Brynn, Brenda

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yOne in four people today live inpoverty 

yOne in eight people do not have

enough food to grow properly yTwice as many people are being

fed today than in 1950, on only 

80% of the agricultural lands that were used then.

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ySustainable development: developmentthat meets the needs of the present

 without compromising the futuregenerations to meet their own needs

yPopulation growth must be held at a level

that can be sustainedy The wealthy must stabilize their use of natural resources

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How do we create a sustainable world?

� W e must respect

and care for thecommunity of life

�Maintainecosystems andthe services they provide

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� Highly developed countries represent 19% of thepopulation but control 79% of the wealth

� 1.3 billion people worldwide live without clean water

� 2 billion people do not have access to electricity �

If we do not confront the problem of poverty,then the world can never be sustainable

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Conserve biological diversityy Most biological diversity we depend on occurs in developing

countriesy W e should protect the natural areas, with international

assistance if necessary y Studies have shown that investments in protected areas yield

a cost to benefit ratio of one to 25 and one to 100 in someareas. Stephen Leahy, Environment: Save At Least Half the Planet, orLose It All

 , Inter Press Service, November 17, 2009

y In Vietnam, planting and protecting 12,000 hectares of 

mangroves cost about a million dollars but saved over sevenmillion dollars for dyke maintenance. Stephen Leahy,Environment: Save At Least Half the Planet, or Lose It All

 , Inter PressService, November 17, 2009

y 10-30% of the mammal, bird and amphibian species arecurrently threatened with extinction

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Change Personal Attitudes

and Practices

yEducation is a key 

process, such aseducation about thedwindling resources

or birth control

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Conceptsy Teach Communities to

Care for TheirO wn

Environmenty Local governments

should be responsiblefor some sustainabledevelopment

y Create a Global Alliance

y Environmentalproblems happenthroughout the world,not just in one specificarea

y Global treaties exist, butthey must begin to besupported by all nations

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Creditsy Information for this presentation courtesy of the APEnvironmental Science text book

y

y

Stephen Leahy, Environment: Save At LeastHalf the Planet, orLose It All , Inter Press Service, November 17, 200,y

y Globalissues.orgy http://www.globalissues.org/article/408/sustainable-

development-introduction#TheMillenniumEcosystemAssessmentBleakFuture

y

y BBC NEWS

y http://news.bbc.co.uk/2/hi/science/nature/4391835.stm