� Drawing on the readings and other literature, identify some of the emerging issues in this area
(i.e. what is new and at the leading edge, rather than established considerations). Consult
literature beyond what we have read in class.

� What changes to practice are needed to make significant reductions to the exposure to this
negative externality or mitigate the impacts of exposure?

� What barriers exist to accomplishing these changes (more research, political will, lack of public
recognition or support, etc)?

� Speculate, based upon the evidence in the literature, the state of this issue in 10 years. How
might one�s responses to these issues change if writing this issue in a decade? Why?

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