Cards (64)

  • What can create areas of surplus and deficit in energy supply?
    Energy supply and consumption
  • How does energy consumption vary globally?
    It varies by region and economic development
  • Why is energy consumption increasing globally?
    Due to economic development, population growth, and technology
  • Where is energy consumption highest?
    North America and parts of the Middle East
  • Where is energy consumption lowest?
    Most of Africa and parts of Southeast Asia
  • What type of reserves does North America have?
    Large coal reserves
  • What reserves does Russia have?
    Large reserves of natural gas and oil
  • How does Sub-Saharan Africa manage its energy resources?
    It depends on overseas TNCs to exploit reserves
  • What is the expected trend for global energy consumption by 2050?
    It is expected to increase significantly
  • What percentage of energy demand growth will NEEs account for by 2035?
    More than 90 percent
  • What role does technology play in energy consumption?
    It increases demand for electricity and energy services
  • What are the physical factors affecting energy supply?
    • Geology determines fossil fuel locations
    • Geothermal energy is produced in tectonically active areas
  • What technological advances have affected energy supply?
    • Exploitation of energy sources in remote areas
    • Development of fracking and renewable energy technologies
  • What is the average cost of an oil rig at sea?
    About US$650 million
  • What is the expected cost of the Hinkley Point C nuclear power station?
    Up to £23 billion
  • How does political instability affect energy supply?
    It leads countries to seek alternative energy sources
  • What are the economic costs of energy insecurity?
    Imports of oil and gas can be very expensive
  • What are the environmental costs of energy exploitation?
    Catastrophic consequences from oil spills
  • How does energy insecurity impact food production?
    Increased food prices due to biofuels
  • What impact does energy insecurity have on industry?
    Shortfalls in electricity production can occur
  • What historical conflicts were influenced by energy insecurity?
    Iran–Iraq War and Gulf War
  • What are the strategies to increase energy supply?
    • Increase renewable energy sources
    • Exploit non-renewable fossil fuels
    • Develop nuclear power
  • What percentage of renewable energy contribution did HEP account for in 2018?
    33 percent
  • What are the limitations of biomass as a renewable energy source?
    Controversial use of land for biofuels
  • What are the challenges of tidal energy?
    High costs and environmental concerns
  • What are the challenges of solar energy production?
    Seasonal availability and space requirements
  • What are the economic and environmental costs of fossil fuels?
    Exploitation becomes too costly or unsustainable
  • What is a significant concern regarding nuclear power?
    Radioactive waste remains dangerous for over 100 years
  • What are the methods for energy conservation?
    • Use low-energy appliances
    • Change behavior (e.g., switch off lights)
    • Encourage public transport or electric vehicles
  • How can technology increase the efficiency of fossil fuels?
    By designing more fuel-efficient vehicles
  • What impact do electric cars have on oil consumption in the USA?
    They could reduce oil use by up to 95 percent
  • How has Brazil reduced petrol consumption?
    By using sugar cane ethanol for fuel
  • What are the key points of sustainable energy use?
    • Balance supply and demand
    • Reduce energy use and carbon footprint
    • Encourage sustainable practices
  • What is the main goal of sustainable energy supply?
    Balancing supply and demand
  • How can individuals contribute to energy conservation?
    By changing behavior and using technology
  • What is the role of public awareness in reducing energy demand?
    It encourages energy-saving practices
  • What is the impact of financial incentives on energy-saving devices?
    They encourage the use of energy-saving devices
  • What is the significance of sustainable designs in energy conservation?
    They help reduce energy use and carbon footprint
  • How can technology improve energy efficiency in transportation?
    By developing more fuel-efficient vehicles
  • What is the impact of improved engines on fossil fuel efficiency?
    They enhance fuel efficiency significantly