Environmental ethics puzzle

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Across
  1. 3. the ethical theory espoused by Peter Singer
  2. 5. having obligations involving some entities
  3. 6. the life-centered system of environmental ethics
  4. 9. a holistic environmental philosophy
  5. 11. the duty not to do harm any entity in natural world that has inherent worth
  6. 13. the value an entity possesses because of its usefulness, as a means to an end
  7. 14. prohibits human actions that involve deception among animals—to remain faithful to their assumed trust
  8. 15. the capacity to experience pain and pleasure
Down
  1. 1. a kind of discrimination Singer sees we have against nonhuman animals
  2. 2. human-centered outlook
  3. 4. having obligations to some entities
  4. 7. a covenanted imperative from God to man involving nature
  5. 8. the focus of moral significance in Ecocentrism
  6. 10. intrinsic
  7. 12. the social institution Lynn White blames for man's arrogant attitude towards nature