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pollution

noun

pol·​lu·​tion pə-ˈlü-shən How to pronounce pollution (audio)
1
: the action of polluting especially by environmental contamination with man-made waste
also : the condition of being polluted
2

Example Sentences

industrial practices that have caused pollution of the air and water The tests showed high levels of pollution in the water. The fish are dying of pollution.
Recent Examples on the Web Created in 1970, the same year as the inaugural Earth Day, the agency began reckoning with decades of industrial pollution fouling the nation’s air, land and water. Michael Hawthorne, Chicago Tribune, 10 Sep. 2022 But the seasons are increasingly out of balance, and even the most ambitious attempts to curb climate pollution will not fully realign them. Michelle Nijhuis, The New Yorker, 10 Sep. 2022 Based on that, the researchers conclude that homeless encampments and septic tanks, where the caffeine would be expected to dissipate rather quickly by the time pollution enters the river, are not likely sources of the fecal material in the river. David Garrick, San Diego Union-Tribune, 10 Sep. 2022 Despite these permanent, sky-changing drawbacks (as well as other pollution issues), providing internet access through satcons will hugely benefit a relatively small number of people. Sydney Odman, The Hollywood Reporter, 9 Sep. 2022 But federal fishery biologists who undertake the survey caution that more warming is forecast as climate change spurred by fossil fuel combustion and other human activities release greenhouse gas pollution. Hal Bernton, Anchorage Daily News, 9 Sep. 2022 Partly that’s because studies show the best way to slash climate pollution is to electrify as many machines and appliances as possible — cars, heaters, stoves, etc. Sammy Rothstaff Writer, Los Angeles Times, 8 Sep. 2022 Advanced tech -- such as AI, AR, 3D modeling, and RFID tagging -- are already creating efficient tools that reduce the industry's carbon footprint and environmental pollution. Karlie Kloss, CNN, 8 Sep. 2022 Diesel trains, on the other hand, produce high amounts of nitrogen dioxide pollution—even more so than cars traveling on busy streets, according to a study published last year. Sarah Kuta, Smithsonian Magazine, 7 Sep. 2022 See More

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of pollution was in the 14th century

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