and Olmstead, 2008). This information may be particularly valuable to the elderly and
groups at high risk from contaminated water.
10.5 UNCERTAINTY IN ESTIMATING THE BENEFITS OF MITIGATING
ENVIRONMENTAL DAMAGES
Uncertainty over environmental damages can take several forms, but can be simply
described as unknown uncertainties and known uncertainties. In the former case, some
environmental pollutants are not known to cause adverse health or environmental harm.
Scientific research—on the properties of potential pollutants and on the relevant epi-
demiology—can reduce some of these unknown uncertainties. In some ...
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