Showing 41 - 60 results of 4,159 for search '', query time: 0.24s Refine Results
  1. 41
    Anais da Comissao Parlamentar Especial que estudou os problemas da poluicao e do meio ambiente.
    Published 1972
    Book
  2. 42
    Earth resources, energy, and the environment /
    by Brookins, Douglas G.
    Published 1981
    Book
  3. 43
    Primary source materials on environmental impact studies /
    by Askow, Catherine
    Published 1979
    Book
  4. 44
    Down to earth : environment and human needs /
    by Eckholm, Erik P.
    Published 1982
    Book
  5. 45
    International dimensions of the environmental crisis /
    Published 1982
    Book
  6. 46
    A Legal-economic history of air pollution controls /
    by Laitos, Jan Gordon, 1946-
    Published 1980
    Book
  7. 47
    Environmental protection directory : a comprehensive guide to environmental organizations in the United States and Canada.
    Published 1975
    Book
  8. 48
    Ecological principles for economic development /
    Book
  9. 49
    Preserving the environment : new strategies for behavior change /
    by Geller, E. Scott, 1942-
    Published 1982
    Book
  10. 50
    The politics, economics & technology of pollution control : Environmental Engineering Conference 1977, Canberra, 15-17 June, 1977 : preprints of papers.
    Published 1977
    Conference Proceeding Microform Book
  11. 51
    The angry West : a vulnerable land and its future /
    by Lamm, Richard D.
    Published 1982
    Book
  12. 52
    Earthworks, ten years on the environmental front /
    Published 1980
    Book
  13. 53
    Energy in the balance : some papers from BA79 : papers given at the annual meeting of the British Association for the Advancement of Science, Heriot-Watt University, Edinburgh, 1979.
    Published 1980
    Book
  14. 54
    Environmetrics 81 : selected papers : selections from a conference /
    Published 1981
    Book
  15. 55
    The Environment in engineering education /
    Published 1980
    Book
  16. 56
    The help book /
    by Yager, Jan, 1948-
    Published 1979
    Book
  17. 57
    Geology for planning : a review of environmental geology /
    by Turner, A. Keith, 1941-
    Published 1973
    Book
  18. 58
    Conservation/ecology, resources for environmental education /
    by Harrah, David F., 1949-
    Published 1975
    Book
  19. 59
    Ecol ; book catalog.
    Published 1974
    Book
  20. 60
    Environmental ethics : choices for concerned citizens /
    Published 1980
    Book
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