wastewater

Analyses suggest the virus has been silently spreading in nearby counties since May.

Levels of pharmaceuticals considered unsafe for aquatic organisms were found at more than one-quarter of sampling sites.

After eight weeks of exposure to ecologically plausible levels of methamphetamines, the fish tended to prefer meth-laced water over water without the drug.

The Scientist checks in on scientists who switched gears to combat the pandemic.

Onsite testing at wastewater treatment plants could aid efforts to monitor for outbreaks of COVID-19 around the world, but such technologies are in the early stages of development.

Researchers have found traces of the coronavirus at wastewater treatment plants in various locations around the world.