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Smoke emission from a factory polluting environment in India - air pollution concept

A burning garbage dump polluting harmful smoke in the environment - air pollution

Air pollution from burning household waste on the sides of a road - bad ecology concept

A burning garbage dump polluting the environment by producing harmful smoke - global warming

Harmful smoke coming out from an industrial chimney pipe causing air pollution

Smoke emission from factory pipes contaminating fresh air in an industrial area

Factory chimney smoking heavy smoke in the cloudy sky - air pollution concept