Across
- 4. - Planting more trees
- 7. - Huge ice blocks
- 9. - Cutting down of trees
Down
- 1. - The natural world we live in
- 2. - The emission of harmful substances into the environment
- 3. - We often use this instead of weather
- 5. - There is really a large hole in here
- 6. - Thousands have lived without love but not without this
- 8. - Plants can't grow without this