本文透過倫理學進路說明 Singer 的實用倫理，省思利己主義
In this paper, the people of mountaineering sports common lying in leisure
activities find the Leopard cat as a wedge, and the “moral requirement” of
reverence for life and humanitarianism in the demand of Well-being. This is a
powerful approach, the appeal of animal rights and individualism of preference
utilitarianism. In short, this is an individual’s knowledge and practice issue in
environmental ethics, and the “moral requirement” to return to its own practice
will face the difficult problem of “Universalizable”.
This paper explains Singer's practical ethics through ethics, and the egoism
will encounter difficulties, with a broader view of egoism, to take some kind of
change action, with a view to discover the real Well-being. Secondly, taking the
development of “national park” as an example, based on the common good to
exclude self-interest, individual consideration of environmental well-being, the
appeal of the overall sharing of the whole people, the idea of Well-being is in
line with the idea of efficiencyism. Finally, through the holistic consideration of
one world, into the relevant discussion.