Chapter 5 review env.

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14 Terms

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Food security

when food is available for all individuals in a population to a sufficient, nutritious and safe food that supports a healthy active life.

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2 reasons for food insecurity

  • Drought, flooding

  • War conflicts

  • Poor farming techniques - depleted nutrients in soil

  • Poverty - can’t import resources

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How can climate change cause food insecurity?

It can cause crop failure and death of livestock

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How can war cause food insecurity?

It can drive off farmers from land which decreases yield

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How can poor farming techniques cause food insecurity?

  • Depletion of nutrients

  • Overuse of water can kill crops

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Graph on test- trend production, yield, and area of land being used

  • production and yield - decrease

  • are usage - increase

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Crop depletion

  • Drought - crop death

  • Bad farming - nutrient depletion

  • Increase of pests - damage crops

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3 reasons for energy insecurity

  • Population growth - requires more energy

  • Supply disruption - can’t produce energy

  • Natural disasters on energy infrastructure

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Oil and coal decrease

  • Fossil fuels depletion

  • Moving away from fossil fuels due to climate change

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Why would hydropower decrease?

  • Harmful to aquatic life

  • The impact of blocking rivers

  • waterways already being used

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