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English definition of “environmentalism”

environmentalism

noun [U]     /ɪnˌvaɪ.rənˈmen.təl.ɪ.zəm/ US  /-ˌvaɪr.ənˈmen.t̬əl-/
an interest in or the study of the environment, in order to protect it from damage by human activitiesEnvironmental issuesRubbish and wasteProtection and protectors
(Definition of environmentalism noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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