environmentalism

British

/ ɪnˌvaɪrənˈmɛntəˌlɪzəm /

noun

psychol the belief that a person's behaviour is affected chiefly by his environment Compare hereditarianism

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

Instead the golden thread running through the 90-minute documentary is the King's own philosophy of "harmony", that brings together environmentalism, religion, architecture, art and design.

From BBC • Jan. 28, 2026

Filmed over seven months last year and across four continents, it charts Charles' environmentalism down the decades, alongside a history of global efforts to tackle climate change and ecological destruction.

From Barron's • Jan. 28, 2026

Limón’s own interest in environmentalism was sparked, she said, by the wildfires that erupted in the nearby Santa Ynez Mountains and forced school classes to stay indoors, she said.

From Los Angeles Times • Jan. 4, 2026

That’s why debris removal is moving from feel-good environmentalism to actual procurement.

From MarketWatch • Oct. 30, 2025

But it is a very strange kind of environmentalism.

From "The Tipping Point" by Malcolm Gladwell

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023