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How moss revealed undetected air pollution
Author: PBS NewsHour
Narrator: PBS NewsHour
Unabridged: 5 min
Format: Digital Audiobook Download
Publisher: NewsHour Productions
Published: 10/12/2016
Category: Language Arts & Disciplines - Journalism
Synopsis
Portland, Oregon, prides itself on being very focused on the environment. So many people were shocked to discover that certain neighborhoods contain high levels of toxic metals. Scientists made the discovery when ordinary moss samples taken from all over town revealed the unexpected contamination. Special correspondent Cat Wise reports on how it led to some significant changes in the city.