Across
- 2. It's a shame to ______ all that precious water.
- 4. When you repair something you do this.
- 7. The synonym of barrier or burden.
- 8. The synonym of renewable.
Down
- 1. It's high time we reduced greenhouse gas ______.
- 3. Something huge or very big.
- 5. In order to protect endangered species from ______ we must provide them a safe environment to live in.
- 6. A waste disposal unit.