Science & Environmental Policy Project

Employees for Environmental Responsibility），PEER 科学与环境政策项目（英语：Science & Environmental Policy Project），SEPP 环境研究会（英语：The Environmental Institute），O Instituto

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Need of New Environmental Ethics for Tourism?", Annals of Tourism Research, 30(1), pp. 94–108. Karcher, Karin (2009) [1998]. "Great Ape Project," in Marc

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of Economic Policy. 2003, 19 (3): 400–419. doi:10.1093/oxrep/19.3.400.  Stavins, Robert N. Experience with Market-Based Environmental Policy Instruments