environmentalism

noun

en·​vi·​ron·​men·​tal·​ism in-ˌvī-rə(n)-ˈmen-tə-ˌli-zəm How to pronounce environmentalism (audio)
-ˌvī(-ə)r(n)-
1
: a political and social movement focused on the preservation, restoration, and improvement of the natural environment
I urge the community to renew our commitment to environmentalism by focusing on the defining issue of our generation: global warming.Dan Wolk
She had embraced environmentalism as a college student, then worked with various NGOs to reduce China's air and water pollution …Lin Yang
Here in the heavy industry heartland of Colombia, environmentalism has old roots and has endured through decades of violence and intimidation.Fatima Garcia Elena
2
dated : a theory that views environment rather than heredity as the important factor in the development and especially the cultural and intellectual development of an individual or group
… an extreme environmentalism developed in psychology and anthropology which minimized, if not denied altogether, any genetic contribution to the differences among human individuals.Ernst Mayr

Examples of environmentalism in a Sentence

Recent Examples on the Web
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An environmentalism of places would also restore wild populations. John Reid, The Atlantic, 14 May 2026 So, the story is getting more complicated because more people are telling it, but also society is dealing with new ideas around environmentalism and second-wave feminism. Matthew Carey, Deadline, 23 May 2026 But its infrastructure for clean energy, environmentalism and climate change resiliency will also help the communities around it on Chicago's South Side. Tara Molina, CBS News, 4 June 2026 Nancy Metayer, known for her environmentalism and social justice advocacy, was first elected in 2020 and reelected in 2024. Amanda Rosa, Miami Herald, 13 May 2026 See All Example Sentences for environmentalism

Word History

First Known Use

1917, in the meaning defined at sense 2

Time Traveler
The first known use of environmentalism was in 1917

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Cite this Entry

“Environmentalism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/environmentalism. Accessed 7 Jul. 2026.

Kids Definition

environmentalism

noun
en·​vi·​ron·​men·​tal·​ism -ˌvī-rən-ˈment-ᵊl-ˌi-zəm How to pronounce environmentalism (audio)
-ˌvī(-ə)rn-
: the act or process of preserving, restoring, or improving the natural environment

Medical Definition

environmentalism

noun
: a theory that views environment rather than heredity as the important factor in the development and especially the cultural and intellectual development of an individual or group

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