Across
- 4. Energy which cannot run out
- 6. Don't waste this! Turn the taps off while cleaning your teeth!
- 9. We should use our cars less and ... more
- 11. Name for a process that is causing global warming
- 13. We need to protect this because it is our home
- 14. To use something again
- 16. Machine that generates electricty using the wind
- 17. The process of ice becoming warmer
Down
- 1. Turning waste into other products
- 2. A polar bear is an example of this
- 3. Comes from trees
- 5. The fuel you put in your car
- 7. Less cold, but getting hotter
- 8. A greenhouse gas
- 10. Decrease the amount of waste produced
- 11. The heating up of the Earth
- 12. Examples include petrol, oil, coal and gas
- 15. Found at the North and South Poles, and is melting