© All material copyrighted by author unless otherwise noted.

“Transcending Barriers to Plan Implementation at World Heritage Sites Depends on New Mindset.” (July 2010). Chapter in Tourism Planning at Major World Heritage Archaeological Sites, published by UNESCO.

“A Systems-Based Interpretive Planning Model that Links Culturally Constructed Place Meanings and Conservation.” (November 2008). Journal of Interpretation Research.

“Barreras para la implementación de los planes de manejo para áreas silvestres protegidas en Costa Rica.” Estudio por Gabriel Robles, Nelly Vásquez, Róger Morales, Jon Kohl y Bernal Herrera. 2008. The Nature Conservancy & CATIE. Technical Series #8. Copyright owned by The Nature Conservancy.

“Heritage Interpretation vs. Environmental Education as an Ecotourism Conservation Strategy.” (2008) Chapter in Ecotourism and Conservation in the Americas: Putting Good Intentions to Work. CABI Publishing. See official description. Copyright owned by publisher.

“Putting the Ecotourism Guide Back Into Context: Training Guides with Systems Thinking.” (2007). Chapter in Quality Assurance & Certification in Ecotourism published by CABI Publishing. Copyright owned by publisher. See official book official description.

“Converting Unseen and Unexpected Barriers to Park Plan Implementation into Manageable and Expected Challenges.” IUCN’s PARKS (April 2006). In the “Planning for the Unexpected” theme, this article investigates barriers to park planning in mental models and how to circumvent those barriers. Abstract and PDF of paper.

“Mental Models that Block Strategic Plan Implementation.” Reflections (May 2006). Journal, Society for Organizational Learning.

“Putting Environmental/Heritage Interpretation to Work for Conservation in a Park Setting: Conceptualizing Principal Conservation Strategies.” (PDF, 293kb) Applied Environmental Education and Communication: An International Journal 4(1) . (February 2005)

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“Zoos Behind the Wild Facade.” (PDF, 240kb). International Journal of Wilderness. (August 2004).  Essay that won the Gloria Barron Wilderness Society Scholarship for best wilderness-related essay, sponsored by Yale University and the Wilderness Society in 1996.  How zoos use the wilderness myth to avoid doing as much conservation as they could.

“Use of Concept Modeling to Clarify the Relationship between Interpretation and Behavior Change for Conservation.” Interpretive Sourcebook (2003). Paper presented with Marisol Mayorga at the 2003 National Conference of the National Association for Interpretation in Reno, NV.

“Heritage Interpretation as an Ecotourism Conservation Strategy.” (May 2002). Paper presented at the conference “Ecotourism in the Americas: Putting Good Intentions to Work,” sponsored by the Stanford University Department of Anthropological Sciences. Use of a conceptual model demonstrates the pathway between interpretation and biodiversity conservation in a park visitor management context.

“Challenges to Introducing Interpretation Into Ecotourism Programs in Mesoamerican Protected Areas.” Interpretive Sourcebook (November, 2001). Paper presented on how RARE Center links interpretation with business at the National Association for Interpretation’s 2001 annual workshop in Des Moines, Iowa and published in the proceedings.

“Biodiversidad Segura.” (July 2001). Pioneer site assessment report for RARE Center for Tropical Conservation, Tikal National Park. © 2001 RARE Center.

“Evaluation of WCS Training Programs (PDF).” (1997). Report that proposes evaluation strategies of four Wildlife Conservation Society training programs in Colombia and Venezuela. Combined consultancy with program evaluation project at Yale. Report was used in part to design actual evaluation.

“Recruiting a PRA Team That Works.” TRI News (Spring 1997). Written with Indra Candanedo. Four characteristics of an effective PRA team.  For the journal of the Yale University Tropical Resources Institute.

“Participatory Rural Appraisal in an Andean Farming Community, Ecuador.” (January 1997). Yale University's Tropical Resources Institute working paper series. On the PRA in Pululahua Geobotanical Reserve, summer 1996. Sister version in Spanish, ”Sondeo Rural Participativo en una Comunidad Campesina en los Andes Ecuatorianos.”

“Adding Humanity to the Curriculum: Once and Future Zoos.” (November 1996). Paper proposing a broadening of zoo education presented at the annual conference of the North American Association for Environmental Education, San Francisco, appearing in the proceedings.

“Extendiendo el Rango de la Educación Ambiental en un Zoológico.” (28 January 1995). Paper presented at the First Latin American Zoo Educator Conference and published in the proceedings. Guadalajara, Mexico. In Spanish.

“Marine Biomedicine: Past, Present, Future” (March 1993). Position Paper for Smithsonian Traveling Exhibition, Ocean Planet. © 1993 Smithsonian Institution.

“A Proposal for the Establishment of the Dartmouth Organic Farm.” (22 May 1991). I was principal editor for a 100-page report for an environmental policy formulation class that made such a proposal. Farm was establishined in 1995.  © shared by multiple authors.

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