Environment Vocab

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Across
  1. 3. Harmful substances that make air, water or dirty land
  2. 4. Gases released into air, often from vehicles
  3. 7. Catch or killing too many animals so the population cannot recover
  4. 8. When more cities, causing cities to grow larger
  5. 9. Using resources in a way that protects them so they can be used again in the future
Down
  1. 1. A layer of gas in earth's atmosphere that protect living things from the suns harmful rays
  2. 2. The increase in Earth's average temperature over time
  3. 5. The cutting down or clearing a large area of trees and forest
  4. 6. Something people use from nature to survive or make products