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Energy Resource Management

Rising energy demand and the development of non-renewables

  • 3 things to know
  • Paper 2 section C

Overview

The rise in world energy consumption from population, wealth, technology and emerging economies, how coal, offshore oil, natural gas and uranium are extracted and moved and the environmental and local costs of each, and how graphs of projected population compare with likely energy supply.

What you need to know

Answer each one before you reveal it.

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Key term

How have rising wealth, new technology and industrialisation in emerging countries changed the demand for and supply of energy?

Key term

Why did cars matter for oil, how is surface coal extracted, and what harm does opencast mining cause?

Key term

How has the growth in world population pushed energy use upwards?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What has happened to world energy consumption over the last hundred years?

    Model answer

    It has risen steeply and is still rising, with far more energy used now than a century ago.

  2. 2

    How has the growth in world population pushed energy use upwards?

    Model answer

    Many more people each need heat, light, transport and food, so the total consumed climbs even where use per person does not.

  3. 3

    How does rising wealth increase the amount of energy each person uses?

    Model answer

    As incomes rise people buy cars, fridges, air conditioning and electronics, all of which need fuel or electricity.

  4. 4

    How have advances in technology increased the supply of energy?

    Model answer

    Better drilling, mining and generating equipment has opened up reserves that could not be reached or used before.

  5. 5

    Why has demand risen fastest in emerging countries?

    Model answer

    Rapid industrialisation and city growth there have added factories, transport networks and millions of new grid connections.

  6. 6

    Give one way technology has reduced the energy needed to do a job.

    Model answer

    Efficient appliances, better insulation and LED lighting deliver the same service using much less energy.

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