The factory has been polluting the river with chemical waste for years.

The polluting factory was shut down after the inspection.

After the factory accident, officials recorded several pollutions affecting local waterways.

Factory smoke pollutes the air above the city at dawn.

The community rallied to demand that the polluters clean up the contaminated river.

The city's pollution levels rose after the factory expanded production.

Scientists measured the concentration of air pollutants near the highway to assess public health risks.

Scientists identified the industrial solvent as a dangerous air pollutant that had spread across the region.

After months of monitoring, scientists confirmed that a persistent organic pollutant had accumulated in the wetland food chain, posing long-term health risks to birds and mammals.

The government launched a task force to address soil pollution affecting farmland near the industrial zone.