Across
- 3. used to say that a particular situation or state will always exist and will not change in the environment
- 4. very bad, harmful or unsuccessful for environment
- 5. changed or influenced by something
- 7. to take place, especially without being planned
- 11. a light and strong material that is produced by chemical processes and can take time to recycle
- 12. the mixture of gases that surrounds the earth
- 14. a tall plant that can live a long time
- 15. take part in a war or battle against the environment
- 17. to do something with a machine, a method, an object, etc. for a particular purpose
- 18. a building with glass sides and a glass roof for growing plants in
Down
- 1. the production or sending out of light, heat, gas, etc
- 2. the natural world in which people, animals and plants live
- 3. a large area of land that is thickly covered with trees
- 4. to stop existing
- 6. not the same as somebody/something
- 8. (of an area that is usually dry) covered by a large amount of water
- 9. to no longer continue to pollute the environment
- 10. the measurement in degrees of how hot or cold a thing or place is
- 13. the process of making air, water, soil, etc. dirty; the state of being dirty
- 16. the process of treating things that have already been used so that they can be used again