PNAS Science Sessions24 Nov 2025

Air pollution and pet health

Air quality and pet health

Science Sessions are brief conversations with cutting-edge researchers, National Academy members, and policymakers as they discuss topics relevant to today's scientific community. Learn the behind-the-scenes story of work published in the Proceedings of the National Academy of Sciences (PNAS), plus a broad range of scientific news about discoveries that affect the world around us.

In this episode, Stephen Jarvis explores the health impacts of poor air quality on pets.

In this episode, we cover:
•[00:00] Introduction
•[00:51] Environmental economist Stephen Jarvis explains how he became interested in the effects of air quality on pets.
•[01:59] He talks about the similarities in exposure between humans and pets, and introduces the veterinary dataset used in the study.
•[03:30] Jarvis explains the results of the study and the potential physiological effects of poor air quality.
•[05:40] He talks about the implications of reducing air pollution for petcare and the takeaway messages of the study.
•[08:17] Jarvis explains the caveats and limitations of the study.
•[09:14] Conclusion.

About Our Guest:

Stephen Jarvis
Assistant professor
London School of Economics

View related content here: https://www.pnas.org/doi/10.1073/pnas.2504553122

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