Across
- 7. the fact or process of a species, family, or other group of animals or plants having no living members
- 8. the action of clearing a large area of trees
- 9. all the variety of life that can be found on Earth - plants, animals, fungi & micro-organisms
- 12. to lower the quality of something
- 13. the action of making practical and effective use of something
- 14. energy energy from a source that is not depleted when used, such as wind or solar power
- 15. relating to, or characteristic of the countryside rather than the town
- 17. relating to, or characteristic of a town or city
- 19. something that affects the environment
Down
- 1. the natural home or environment of an animal, plant, or other organism
- 2. farming a way of producing large amounts of crops, by using chemicals and machines which can damage the environment
- 3. fuels fuels made from decomposing plants and animals found in the Earth's crust containing carbon and hydrogen, which can be burned for energy - coal, oil, and natural gas are examples
- 4. activity impact on the physical environment - overpopulation, pollution, burning fossil fuels, and deforestation
- 5. to have a strong effect on someone or something
- 6. gasses any gas that has the property of absorbing infrared radiation (net heat energy) emitted from Earth's surface and reradiating it back to the surface
- 10. existing in or caused by nature; not made or caused by humankind
- 11. change a long-term change in the average weather patterns that have come to define Earth's local, regional and global climates
- 12. the process of becoming progressively worse
- 16. warming a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
- 18. a substance used for destroying insects or other organisms harmful to cultivated plants or to animals