The term SOME POLLUTION can be broken down into two crossword solutions: NOISE (5 letters) and POLLUTION (9 letters). NOISE POLLUTION is a type of environmental POLLUTION caused by loud and unwanted sounds. It can be caused by industrial activities, transportation, construction, and other sources. POLLUTION is the introduction of contaminants into the environment that cause harm or discomfort to living organisms. It can come from many sources, including industrial activities, agricultural activities, and natural sources.