Joan Rose

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A sign warns passers-by that irrigation in the area uses treated sewage wastewater. Lindsey Nicholson/UCG/Universal Images Group via Getty Images

Cyclospora spreads through human waste – so how did it get on food?

Joan Rose, Michigan State University

US sewage treatment plants likely don’t get rid of all the disease-causing protozoa, and monitoring discharged wastewater for it is difficult.
Bottled water distribution in Glenwood, Iowa, where massive spring flooding along the Missouri River disrupted drinking water treatment, April 3, 2019. AP Photo/Nati Harnik

The US drinking water supply is mostly safe, but that’s not good enough

Joan Rose, Michigan State University

A grade of 92 is an A at most schools, but for tap water it means that millions of Americans drink water that fails to met federal standards.
News about the sewage and pollution in Guanabara Bay in Rio have caused health concerns among Olympic athletes. Ricardo Moraes/Reuters

Brazil’s sewage woes reflect the growing global water quality crisis

Joan Rose, Michigan State University

Wastewater treatment systems around the world are hamstrung by outdated tests that don’t identify a growing array of pathogens or identify the sources of pollutants.

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