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 environmental pollution over the last 135 years.

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