The factory's outdated filters allowed a toxic pollutant to enter the river, harming aquatic life.

The company was labeled a polluter after inspectors found illegal waste dumping behind the plant.

The once clear river became polluted after the factory expanded.

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

The polluting factory was shut down after the inspection.

The factory polluted the river last summer, killing many fish.

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

Victorian manuals often warned that self-pollution could lead to weakness and illness.

The city's air pollution has contributed to a rise in respiratory illnesses among children.

Urban residents protested the constant noise pollution from nearby highways, demanding quieter roads and better sound barriers.