Across
- 3. to make new products from used or old objects and materials.
- 5. a person that protects the environment.
- 6. a large body in space that moves around the sun. For example, the Earth.
- 9. the natural world in which people, animals and plants live.
- 10. a dark forest in a tropical region.
Down
- 1. pollution of the atmosphere.
- 2. chemical substances that make the water dirty or harmful.
- 4. cutting down trees in a large area.
- 7. electricity, gas power, power from coal, etc.
- 8. these animals may not exist soon.