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

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

When left unchecked, the chemical pond self-pollutes, creating hazardous fumes that alarm nearby residents.

Every summer, the pond kept self-polluting despite the community's cleanup efforts.

Urban factories, often labeled as self-polluters, have been pressured to adopt cleaner technologies.

The self-polluter left toxic runoff on his fields that eventually ruined his harvest.

The neglected wetland self-polluted after years of unchecked runoff and algae growth.

She stumbled out of the bar half polluted, laughing with her friends.

Conservationists warned that genetic pollution from escaped farmed salmon threatens the integrity of wild populations.

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