pollutant

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Coal is a top contributor to planet-warming greenhouse gases, and also a powerful air pollutant that is harmful for human health.

From Barron's • Mar. 24, 2026

US, China and the European Union each apply their own pollutant thresholds.

From BBC • Nov. 15, 2025

“We will probably have a measurable effect on the number of cases, but I think the key message is it’s not as simple as a single pollutant is causing an individual’s Parkinson’s.”

From The Wall Street Journal • Oct. 31, 2025

Environmental Protection Agency is through the Clean Air Act, which does regulate sulfur dioxide as a pollutant and as a contributor to acid rain.

From Salon • Dec. 12, 2024

It is a bit of a chemical oddity in that at ground level it is a pollutant, while way up in the stratosphere it is beneficial, since it soaks up dangerous ultraviolet radiation.

From "A Short History of Nearly Everything" by Bill Bryson