Contamination, Toxic Waste and Smoke Cause This
This page is the CodyCross answer for the clue below from Airport, Group 452, Puzzle 3 (Flying Coach).
Question is: Contamination, Toxic Waste and Smoke Cause This
and the answer is: POLLUTION
Word Meaning:
POLLUTION — Physical contamination, now especially the contamination of the environment by harmful substances, or by disruptive levels of noise, light etc.
Definitions from Wiktionary.