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soot-covered, hundred-year-old birds

PostPosted: Sat Oct 14, 2017 5:18 pm
by Wilberforce
What soot-covered, hundred-year-old birds can tell us about saving the environment
Museum collections track soot in the atmosphere throughout the 20th century

Date:October 9, 2017
Source:Field Museum
Summary:Birds in museum collections from Rust Belt cities around the turn of the century are covered with black soot from air pollution at the time. Scientists have compared the amount of soot on birds through the years to track envioronmental pollution over the last 135 years.

FULL ARTICLE
https://www.sciencedaily.com/releases/2 ... 155000.htm