污染

The contamination of water made it unfit to drink.

The well was defiled by the refuse of the factories nearby.

polluted waters

contaminated zone

pollute/contaminate the water sources

contaminate food

debase the social morals

pollute/contaminate/foul the air

pollute the environment; contaminate the surroundings

pollute/contaminate/taint a river

The use of nuclear weapons produces a high level of radioactive contamination.

heavy metal pollution

pollution-free pesticide

noise/sound pollution

soil pollution

contamination/pollution of the water sources

water pollution/contamination

visual pollution

floating/airborne dust pollution

pesticide pollution

air pollution/contamination

spiritual/cultural pollution

environmental pollution

chemical pollution

marine pollution

industrial dust pollution

secondary pollution

underground water pollution

atmospheric pollution; pollution of the atmosphere

white pollution

clean up the toxic pollution

curb/control pollution

reduce pollution

be concerned about environmental pollution

avoid/prevent pollution/contamination