Information on ecosystem characteristics as well as economic statistics is needed to more fully inform decision makers on the impacts of climate change on human well-being. Climate change risks involve potentially large and irreversible as well as highly uncertain impacts that need to be...

Economic analyses of nature must somehow define the “environmental commodities” to which values are attached. This paper articulates a set of principles to guide the choice and interpretation of nonmarket commodities. We describe how complex natural systems can be decomposed consistent with...