Jack Fishman, Susan Solomon, and Paul Crutzen reported on studies they have carried out on world-wide distribution of ozone, concluding that a major source of ozone in the lower atmosphere seems to be industrialization and human activities.
Civilization a major ozone source, scientists say
1978-09-12
University Corporation for Atmospheric Research
archival document
Ozone
Information Office Records
https://aspace.archives.ucar.edu/repositories/2/resources/7
Copyright University Corporation for Atmospheric Research (UCAR). This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
http://n2t.net/ark:/85065/d7222sd3