Across
- 5. save water
- 8. sponsor an animal
- 10. raise funds
- 11. sort the rubbish
- 12. organise a cake sale
Down
- 1. work for a charity
- 2. collect old mobile phones
- 3. watch less TV
- 4. organise a charity concert
- 6. take a shower instead of a bath
- 7. save energy
- 9. learn a foreign language