Be, protect, save, recycle, cut down, use, classify, plant, have, throw away, put, collect.
1. ...... the planet
2. ...... animals
3. ....... rubbish in the bin
4. ....... trees
5. .......plastic bags
6. ....... water
7. .......bottles, cans, paper
8. ........ rubbish on the playground
9. ......... trees
10. ....... baths
11. ........ glass in the green bin
12. ........ Green