Across
- 5. alcohol produced from plant matter (sugar cane or maize) which can be used as an alternative to petrol
- 11. form of power for electricity that is generated by utilizing the energy of the sun
- 12. the reliable availability of energy sources at an affordable price with consideration of the environmental impacts
- 13. Cause of energy insecurity
- 14. resources that will run out and not be replenished for millions of years
- 17. impact of energy insecurity
- 19. lack of adequate nutrition, caused by not having a balanced diet or enough to eat
- 20. another form of energy utilizing the power of water
- 21. energy generated from the heat under the surface of Earth
- 22. any source of energy that can be naturally and quickly replenished
Down
- 1. electricity generated by energy from waves or the tides
- 2. suffering or death caused by lack of food
- 3. renewable resource that utilizes currents in the atmosphere to generate electricity
- 4. to store large amounts of goods or materials
- 6. systems that react promptly to sudden changes in the supply-demand balance
- 7. supply of energy that is in line with economic developments and environmental needs
- 8. extreme scarcity of food
- 9. defined as 'when all people, at all time, have physical, social and economic access to sufficient, safe & nutritious food that meets their dietary needs and food preferences for an active and healthy life.
- 10. increase in salt content, usually of agricultural soils, irrigation water or drinking water
- 15. limit the amount of food each person or family is allowed to purchase
- 16. market determines the price of a food product; cause of food insecurity
- 18. type of power using radioactive materials such as uranium & plutonium. Power is produced from energy released as materials undergo reactions
- 23. gas such as methane that can be used as a fuel & is produced by fermenting organic matter.