noun, の adjective
Public damage is something that affects everyone, the whole public. What is in the air and gets into everything no matter where you are? How about pollution?
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
In Japan, pollution became a huge societal problem between 1950 and 1960.
We are all responsible for the pollution problems.
My son is suffering from a pollution-triggered respiratory illness.