Environmental Health

Beyond COVID-19: Waste Testing A Vast Public Health Frontier

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As scientists measure the prevalence of COVID-19 in the sludge flowing from New Haven sewage treatment plants, they’re also finding that our biological waste can tell them much more about our collective pathologies. Between March 19 and June 30, a group of scientists tested waste that had previously been used to detect COVID-19, looking for drugs and chemicals. The researchers found significant increases in three opioids, four antidepressants, and other chemicals in sludge from New Haven. The analysis, by scientists from the Connecticut Agricultural Experiment Station (CAES) and Yale University, offered the first glimpses of how the pandemic’s stay-at-home orders affected people’s behavior. It also underscored how important human waste can be as a resource for understanding public health and society’s habits.

I-Team In-Depth

Citizen Scientists Steer Efforts To Jumpstart Black Rock Harbor’s Recovery

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At 6:25 a.m. on the cloudy, humid first day of summer, two teenage aquaculture students huddle at the back of their school boat as it backs away from a dock in Black Rock Harbor in western Bridgeport. Charlotte Hickey grips a heavy cylindrical metal probe that is about a foot and a half long. The students call this “the beast.” It contains electronics that precisely measure water conditions. Sienna Matregrano holds a clipboard and pen, ready to record depth, temperature, salinity, dissolved oxygen, fluorescence and turbidity. Both girls are seniors at Bridgeport Regional Vocational Aquaculture School.