Caves, conservation & ethics.

Cave conservation ethics and safety considerations.

Conservation ethics: An obligation-centered approach. by Lee, Alexander

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The nature study movement : the forgotten popularizer of America's conservation ethic / by Armitage, Kevin C.

The nature study movement : the forgotten popularizer of America's conservation ethic / by Armitage, Kevin C.

The future of the past : a conservation ethic for architecture, urbanism, and historic preservation / by Semes, Steven W.

“…Conservation ethic for architecture, urbanism, and historic …”

Common lands, common people : the origins of conservation in northern New England / by Judd, Richard William

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Evolutionary perspectives on environmental problems /

Table of Contents: “…Biophilia and the Conservation Ethic /…”
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Water quality control : integrating beneficial use and environmental protection /

Table of Contents: “…need for a new conservation ethic? /…”
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The river of the mother of God and other essays / by Leopold, Aldo, 1886-1948

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The cult of the wild / by Rensberger, Boyce

Table of Contents: “…-- Toward a New Conservation Ethic.…”

Trees and people : forestland, ecosystems, and our future / by Jordan, Richard N., 1930-

Table of Contents: “…Backward. 6. A Conservation Ethic for Trees and Forestlands. 7. Trees and …”
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I Celebrate Nature. First Edition by Iverson, Diane

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Biophilia / by Wilson, Edward O.

Table of Contents: “…right place -- The conservation ethic -- Surinam.…”
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The ecological conscience; values for survival. by Disch, Robert

Table of Contents: “…T. Merton.--The conservation ethic, by A. Leopold.--Ecology and man: a viewpoint, …”
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The ecological conscience; values for survival. by Disch, Robert

Table of Contents: “…T. Merton.--The conservation ethic, by A. Leopold.--Ecology and man: a viewpoint, …”
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The Missouri River journals of John James Audubon / by Audubon, John James, 1785-1851

Table of Contents: “…Part IV. Audubon's conservation ethic reconsidered : an analytical history …”
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The Missouri River journals of John James Audubon / by Audubon, John James, 1785-1851

Table of Contents: “…Part IV. Audubon's conservation ethic reconsidered. Audubon's hunting and conservation …”

Mysterious manatees / by Glaser, Karen

Table of Contents: “…-- Developing a conservation ethic -- Mysterious manatees -- Introduction …”
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Innovative technology in art conservation : original appearance, viewer perception / by Wei, W. (Bill)

Table of Contents: “…conservation science and conservation ethics -- Original appearance, perception and …”
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