Moral issues associated with bioengineered species: stewardship, abuse and sustainability.

Biogenetic engineering only very recently enabled human beings to construct Iifeforms that would be impossible except for scientific technology. The very newness of these techniques and the obvious ways in which the origin of "engineered" creatures derives from the activities of human agents allows us to think about questions derived from the discourse of environmental ethics in a new way, for they force us to ask what are the obligations humans owe to animals whose very existence derives from human agency but whose lives thereafter might possess intrinsic value to the animal, beyond the instrumental values attributed by the engineering perspective. 111inking about these creatures, how shall we answer the basic questions of