Environment

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Across
  1. 3. Using less power or resources to do the same job.
  2. 5. Protecting nature and natural resources for the future.
  3. 8. Not harming the environment and lasting over time.
  4. 9. Using things again instead of throwing them away.
  5. 10. Harmful substances that make air, water, or soil dirty.
  6. 11. Animals in danger of disappearing forever.
  7. 12. Materials that we throw away.
  8. 14. warming The warming of the Earth’s surface due to trapped gases.
  9. 16. The variety of plant and animal life in a place.
  10. 17. footprint The total amount of carbon dioxide a person or group produces.
  11. 18. Products made without using chemicals or artificial materials.
  12. 19. The natural world where living and non-living things interact.
Down
  1. 1. When there is no rain for a long period.
  2. 2. Materials that can be used again and again, such as wind or solar power.
  3. 4. Gas or smoke sent into the air by factories or cars.
  4. 6. The balance of weather conditions over many years.
  5. 7. Cutting down too many trees in forests.
  6. 13. The place where an animal or plant naturally lives.
  7. 15. gases Gases that trap heat in the Earth’s atmosphere.
  8. 20. Organic matter we use to make natural fertilizer for plants.