Which of the environmental policy options discussed in this and previous chapters would you recommend if a hypothetical society were facing the following environmental problems? In each case, briefly explain the justification(s) for your choice.

(a) Pollution of an estuary from multiple source irrigation runoffs;

(b) Air pollution of a major metropolitan area;

(c) The clean up of a toxic waste dump;

(d) Damage to lakes, streams, forests and soil resulting from acid rain;

(e) A threat to human health due to stratospheric ozone depletion; and

(f) A well-founded fear for the gradual extinction of endangered species, for example rhinos.