DDT has been proven to be extremely harmful to the environment.
Recent Examples on the WebThe hikes appear to be particularly harmful to low-income Americans.—Khristopher J. Brooks, CBS News, 24 May 2024 Burning coals indoors can produce harmful levels of carbon monoxide, according to the National Cancer Institute.—Paloma Chavez, Sacramento Bee, 24 May 2024 See all Example Sentences for harmful
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'harmful.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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