resource reliance

• What is consumption?

  The act of using up resources
• What does carrying capacity refer to?

  Maximum number of species an area can support
• What is the spiral of consumption?

  Population growth increases resource consumption
• How is biodiversity measured?

  By the number of different species in an area
• What is fracking?

  Hydraulic fracturing to release oil and gas
• What is green energy?

  Energy from renewable resources like sunlight
• What is blue water?

  Fresh water from rivers and lakes
• What is green water?

  Water collected from precipitation
• What is grey water?

  Water that is polluted or recycled
• What are fossil fuels?

  Carbon-containing fuels like coal and oil
• What does finite mean?

  Limited or non-renewable resources
• What does non-renewable mean?

  Finite or limited resources
• What is renewable energy?

  Natural resources replaced at the same rate consumed
• What is a wind turbine?

  A tall windmill generating electricity from wind
• What is a wind farm?

  A collection of wind turbines
• How does concentrated solar energy work?

  Curved mirrors focus energy to generate steam
• What is a solar tower?

  Mirrors focus solar energy onto a tower
• What is geothermal energy?

  Hot water from underground rocks generates electricity
• What is biomass energy?

  Energy from burning organic materials
• What is natural gas?

  A fossil fuel consisting of methane
• What is hydropower?

  Electricity from moving water through turbines
• What is nuclear energy?

  Energy released when atoms are split
• What is oil?

  A liquid fossil fuel from marine organisms
• What is coal?

  A solid fossil fuel derived from dead plants
• What does BRICS stand for?

  Brazil, Russia, India, China, South Africa
• What is mechanisation?

  Introducing machinery to replace manual work
• What is eutrophication?

  Excessive nutrients build up in water sources
• What are calories?

  A measure of energy provided by food
• What is food security?

  Access to adequate food supplies and nutrition
• What does food secure mean?

  Good food security status for a group
• What does food insecure mean?

  Poor food security status for a group
• What is food price volatility?

  Potential for dramatic food price changes
• What is the World Hunger Index?

  An index measuring hunger severity
• What is food poverty?

  Inability to afford a healthy diet
• Who was Malthus?

  An English demographer predicting food shortages
• What did Boserup argue?

  Human innovation increases food production capacity
• What causes obesity?

  Consuming too much food leading to overweight
• What is food waste?

  Food produced but never consumed
• What is soil erosion?

  Blowing or washing away of topsoil
• What is desertification?

  Degradation of land due to various factors