Across
- 4. Things we throw away, like plastic and paper
- 5. Using something again instead of throwing it away
- 8. To keep something safe from harm, especially nature.
- 10. To use less of something to save resources
Down
- 1. The natural resource that covers 70% of our planet
- 2. When you collect bottles, cans, and paper to be turned into new items.
- 3. The opposite of clean
- 6. The natural world, including plants and animals.
- 7. A type of energy that comes from the sun
- 9. A place full of trees