Looks at society's reliance on fossil fuels, discusses the benefits and limitations of renewable sources, and examines how energy can be used more efficiently.
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Looks at how population is measured, discusses the relationship between population growth, food supplies, and poverty, and examines the issues around family planning.
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Looks at the importance of health, discusses the challenges of controlling the spread of disease, and explains how every problem might have a solution.
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Examines the pressure that population growth and unsustainable development is putting on the planet's resources and discusses local and global environmental issues.
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