| 2. Most of Ireland's electricity is made from this kind of fuel. (6) | 1. Putting one of these in your cistern saves water (5) |
| 5. Global warming is causing these caps to melt (3) | 3. Using energy efficiently and renewable energy sources helps us lead this type of lifestyle (11) |
| 7. If you turn off this and not leave it on standby you save energy (10) | 4. We are all citizens of this village (6) |
| 11. This animal produces methan gas (3) | 6. You need an energy source to produce this (11) |
| 12. Energy made from these sources will not run out (9) | 8. Taking one of these instead of a bath saves energy (6) |
| 14. These forests are cleared for farming and logging (11) | 9. These gases lead to global warming (10) |
| 16. Much of the rubbish we throw out comes from this (9) | 10. Very little of this material can be recycled (7) |
| 18. If you use these lightbulbs you save energy (3) | 13. This layer above the eart protects us from the sun's ultra-violet rays (5) |
| 19. Most of our rubbish ends up in one of these sites (8) | 14. We do this when we break down waste so it can be made into something else (7) |
| 20. The surroundings in which we live (11) | 15. Bringing one of these to the shops save energy (3) |
| | 17. This kind of rain damages lakes and animals (4) |
