Apr 8, 2026
About this episode:
Biosolids created by the wastewater treatment process are useful fertilizers in agriculture, but they often contain chemical compounds from the pharmaceutical and personal care products we send down our drains. In this episode: Researcher Carsten Prasse details new findings that suggest that fungi...
Mar 25, 2026
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In late 2025, the EPA approved two pesticides for agricultural use that opponents argue contain PFAS—“forever chemicals” that pose hazards to human health. In this episode: the debate around what constitutes PFAS and the EPA’s role in regulating these harmful chemicals.
Guest:
Feb 18, 2026
About this episode:
A pipe collapse outside of D.C. has spilled nearly 300 million gallons of sewage into the Potomac River. Recent frigid temperatures and long-term infrastructure challenges are making cleanup a formidable job. In this episode: Natalie Exum of the Johns Hopkins University Water Institute talks about...
Oct 23, 2025
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Last year, Public Health On Call released a special episode on the decades-long fight to make Baltimore’s harbor safe for swimming. While the future looked bright in 2024, new challenges have emerged. In this episode: Baltimore Banner reporter Adam Willis offers an update on the health of the...
Sep 11, 2025
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Through the summer, the city of Phoenix consistently hits temperatures upwards of 110 degrees, creating dire conditions for vulnerable populations like outdoor workers and those with substance use disorders. In this episode: Phoenix Mayor Kate Gallego and City Councilwoman Kesha Hodge Washington...