I demonstrate here how Aristotle's teleological conception of nature has been largely misunderstood in the scientific age and I consider what his view might offer us with regard to the environmental challenges we face in the 21st century. I suggest that in terms of coming to an ethical understanding of the creatures and things that constitute the ecosystem, Aristotle offers a welcome alternative to the rather instrumental conception of the natural world and low estimation of subjective experience our contemporary techno-scientific culture espouses. Among other things, I consider how his conception of orexis and eudaimonia (happiness or, as I prefer here, "the flourishing life") might be extended to include the eco-system itself, thus allowi...