May 18, 2022

National Library of Medicine (NLM) Launches a New Online Exhibition – Fifty Years Ago: The Darkening Day

From a NLM Announcement

The National Library of Medicine (NLM) announces Fifty Years Ago: The Darkening Day, a new online exhibition recognizing the 50th anniversary of The Darkening Day, an NLM exhibition on the health aspects of environmental pollution, which opened at the library in 1970 and was subsequently reviewed in the September 29, 1970, issue of the NIH Record, page 11.


Department of Health, Education and Welfare and federal scientists from the Public Health Service (PHS), as awareness of pollution’s detrimental impacts on health grew in the years preceding 1970.

The exhibition complements the history explored in Darkening Day: Air Pollution Films and Environmental Awareness, 1960–1972, a critical examination of six public health films from NLM’s historical audiovisuals collection, curation which is part of Medicine on Screen: Films and Essays from NLM.

Explore Fifty Years Ago: The Darkening Day online.

About Gary Price

Gary Price ( is a librarian, writer, consultant, and frequent conference speaker based in the Washington D.C. metro area. Before launching INFOdocket, Price and Shirl Kennedy were the founders and senior editors at ResourceShelf and DocuTicker for 10 years. From 2006-2009 he was Director of Online Information Services at, and is currently a contributing editor at Search Engine Land.