meaning of pollution in Longman Dictionary of Contemporary English

Where Does Air Pollution Come From? pollution Pollution crimes take various forms, such as waste crime, marine pollution crime, illicit trafficking in chemicals and carbon trading crime Illegal mining pollution Protecting the health and well-being of Coloradans by enforcing the state's air pollution laws and improving the quality of the air they breathe

pollution 11 Facts About Pollution · Pollution is one of the biggest global killers, affecting over 100 million people · Cleanups can save animals' lives and discourage