Human impact on the environment

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Across
  1. 2. loss of trees
  2. 5. depletion of fish stock
  3. 7. effect of excessive plant growth in bodies of water due to increase of nutrients
  4. 9. reduction in pH of oceans as a result of icreased level uptake of carbon dioxide
  5. 11. depletion of layer surrounding our planet that protects us from harmful radiation from the Sun
  6. 13. type of energy source that replenishes itself at a rate slower than it is used up
  7. 14. loss of species
  8. 16. artificial creation of forests
  9. 17. concept of avoiding natural resource depletion to meet present generation needs without compromising future generaton needs
Down
  1. 1. type of energy sources that replenishes at a rate faster or the same as it is used up
  2. 3. preservation and protection of species and habitats
  3. 4. word used to refer to human impacts on the environment
  4. 6. process of transformation of waste into materials and objects that can be used again
  5. 8. type of species that is non-indigenous to the local environment
  6. 10. land degradation in drylands
  7. 12. more people on Earth
  8. 15. introduction or presence of harmful substance into the environment