Environment
Across
- 3. Relating to something that can be chosen instead of something else.
- 5. An oil platform and all the machines and equipment used on it.
- 7. An area of land around large cities where no buildings are allowed in order to protect the countryside.
- 8. Gases ejected from an engine as waste products.
- 11. An amount of money that the government or another organization pays to help to reduce the cost of a product or service.
- 12. The slow increase in the temperature of the Earth caused partly by the greenhouse effect increasing the amount of carbon dioxide in the atmosphere.
- 13. Relating to or being a commodity or resource, such as solar energy or firewood, that is inexhaustible or replaceable by new growth.
- 15. illegally catching or killing an animal, bird, or fish on someone else’s property.
- 16. Gases, such as CO2 that stop heat from escaping from the atmosphere and causes the greenhouse effect.
- 17. One of a series of very tall metal structures used for holding the wires that carry electric power high above the ground.
- 19. Relating to a plant or animal that has had its genetic structure changed in order to make it more suitable for a particular purpose.
- 21. The substance on the surface of the Earth in which plants grow.
- 23. The process of removing the trees from an area of land.
- 24. The production of immunity to an infectious disease in an individual through inoculation or vaccination.
- 25. The process of changing waste materials such as newspapers and bottles so that they can be used again.
Down
- 1. A farm on which chickens and sometimes calves are kept very close together in small boxes.
- 2. Natural or chemical substances added to soil in order to help plants grow.
- 4. Chemicals used for killing insects, especially those that damage crops.
- 6. Fuels such as coal or oil, made from decayed material from animals or plants that lived many thousands of years ago.
- 9. People who want to protect the environment.
- 10. The fact of being able to provide everything you need for yourself, especially food, without buying from or being helped by others.
- 14. The process by which the surface of land or rock is gradually damaged by water, wind etc. and begins to disappear.
- 18. The process of making something dirty, polluted, or poisonous by adding a chemical, waste, or infection.
- 20. Supplying dry land with water by means of ditches etc.
- 22. Rain containing a high level of acid that can damage the environment. It is caused by pollution in the air.