Across
- 2. not wanted materials
- 5. something bad for the planet, can be in water or air
- 7. cutting down trees that we need to live
- 8. using something multiple times again and again
Down
- 1. going to work/school with one car
- 3. our planet
- 4. material which is hard to recycle
- 6. using something as little as possible
- 9. rubbish