Articles on Sewage

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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?

US sewage treatment plants likely don’t get rid of all the disease-causing protozoa, and monitoring discharged wastewater for it is difficult.
Treatment plants can capture over 95% of methane from food waste, compared to about 50% at landfills. Justin Sullivan/Getty Images

How sewage treatment plants could handle food waste, sparing landfills and the climate

Rather than generating climate-warming emissions and wasting nutrients and energy, food waste can become a resource if processed in sewage treatment plants.
Sinkholes form when underground rock dissolves or sediment washes away and the surface collapses. Luis Diaz Devesa/Moment Collection/Getty Images

Why Philly has so many sinkholes

Sinkholes are fairly common in Philadelphia due to aging water lines that leak or burst, causing the surrounding soil to wash away.
An aerial view of Cape Town city. GettyImages

Cape Town’s sewage treatment isn’t coping: scientists are worried about what the city is telling the public

Current science communications in Cape Town are not serving the public well.

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