Learn more about this word
Pollution
This refers to harmful substances introduced into the environment. It can describe air, water, or noise contamination in urban and rural areas.
Examples in context
Air pollution is a major problem in big cities.
Air pollution is a major problem in big cities.
The factory must reduce its water pollution levels.
The factory must reduce its water pollution levels.
Explore more English decks
💬 Become bilingual with our teacher Umi
Umi will correct your pronunciation, grammar, and teach you how to respond naturally.