... POLLUTION/EMISSION:ILLUSTRATIVE CALCULATIONS OF INDICATORS AND OF A COMPOSITE INDEX FOR THE NETHERLANDS In human activities that treat the environmentas a sink, what most needs to be measured areemissions, wastes, and ... that an index of one indicates that the increase in man-made capi-tal is offset exactly by the depreciation of the na-tion's natural assets. An index much less than oneindicates ... than compen-sated for harvesting or that the resources hadotherwise increased in value during the year. The patterns in Figure 14 show wide vari-ation. In Australia, Brazil, Thailand, and (in...