Environment

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Across
  1. 5. A piece of equipment that uses energy from the Sun.
  2. 7. Using methods that do not harm the environment.
  3. 9. The process of removing the trees from an area of land.
  4. 10. The situation when an animal, plant, or language no longer exists.
  5. 11. The process of changing waste materials.
  6. 12. A large machine like a windmill.
  7. 13. Dangerous, especially to people's health or safety.
  8. 14. Also called: atomic power.
  9. 15. It develops industries or makes them more modern.
  10. 16. The increase of trade around the world.
Down
  1. 1. Energy or natural materials replace themselves by natural processes.
  2. 2. A mixture of decaying plants and vegetables.
  3. 3. A sudden short period of very cold weather.
  4. 4. Derived from living matter of a previous geologic time.
  5. 6. Used about people who care about the environment.
  6. 8. A type of animal or plant that may soon become extinct.