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Caffeine Pollution

NPR
Published July 4, 2000 at 10:00 PM MDT

A plan by Seattle scientists to use caffeine to trace human waste pollution has been abandoned because of the large amount of coffee being dumped into the sewage by motorists and espresso-cart operators. NPR's Noah Adams talks to Jonathan Frodge, Limnologist with King County Lake Assessment Program.

Copyright 2000 NPR