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  1. 1

    Caring for the earth.

    Published 1991
    Book
  2. 2
  3. 3

    Ecology, recreation, and tourism by Edington, John M.

    Published 1986
    Book
  4. 4

    Environmental movements in Asia

    Published 1998
    Book
  5. 5
  6. 6

    Caring for the earth

    Published 1991
    Book
  7. 7
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  9. 9
  10. 10