Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000397
Air Pollution
The presence of contaminants or pollutant substances in the air (AIR POLLUTANTS) that interfere with human health or welfare, or produce other harmful environmental effects. The substances may include GASES; PARTICULATE MATTER; or volatile ORGANIC CHEMICALS.
Air Quality,Air Pollutions,Pollution, Air
D012905
Smog
A mixture of smoke and fog polluting the atmosphere. (Dorland, 27th ed)