Environment
Across
- 3. a long period of time when there is little or no rain
- 4. a gas breathed out by people and animals from the lungs
- 6. the act of cutting down or burning the trees in an area
- 8. (adjective) (of energy and natural resources) that is replaced naturally or controlled carefully and can therefore be used without the risk of using it all up
- 11. (adjective) (of food, farming methods, etc.) produced or practised without using artificial chemicals
- 13. the existence of a large number of different kinds of animals and plants which make a balanced environment
- 16. (verb) (of ice and snow) to turn back into water after being frozen
- 17. the process of making air, water, soil, etc. dirty; the state of being dirty
Down
- 1. (verb) to put somebody/something in a situation in which they could be harmed or damaged
- 2. the use of natural products and energy in a way that does not harm the environment
- 5. a substance or chemical that is ... can be changed by the action of bacteria to a natural state that will not harm the environment
- 7. (adjective) not containing lead and therefore less harmful to the environment
- 9. a slow-moving mass or river of ice, formed from snow on mountains or near the North Pole or South Pole
- 10. the process of becoming or making something a desert
- 12. fuels such as coal or oil that was formed over millions of years from parts of dead animals or plants
- 14. (verb) to treat a person or situation as an opportunity to gain an advantage for yourself
- 15. a situation in which a plant, an animal, a way of life, etc. stops existing