Sustainability & Environmental Issues

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Across
  1. 2. convert (waste) into reusable material.
  2. 4. use carelessly
  3. 5. a synthetic material
  4. 6. the strength and vitality required for sustained physical or mental activity.
  5. 10. the disposal of waste material by burying it
  6. 13. a colourless, odourless flammable gas
  7. 14. a very large expanse of sea
  8. 15. the presence in or introduction into the environment of a substance which has harmful or poisonous effects.
Down
  1. 1. (of a natural resource or source of energy) not depleted when used.
  2. 3. the state of the atmosphere at a particular place and time
  3. 7. the fact or process of a species, family, or other group of animals or plants becoming extinct.
  4. 8. short for gasoline.
  5. 9. the weather conditions prevailing in an area in general or over a long period.
  6. 11. a person who does not eat any food derived from animals and who typically does not use other animal products.
  7. 12. a distinct compound or substance, especially one which has been artificially prepared or purified.