From Longman Dictionary of Contemporary Englishenvironmentalisten‧vi‧ron‧men‧tal‧ist /ɪnˌvaɪrənˈmentəlɪst/ ●○○ AWL noun [countable] SGEsomeone who is concerned about protecting the environment
Examples from the Corpus
environmentalist• At first, two decades ago, environmentalists predicted we would run out of certain raw materials.• In 1987, when an interim report was issued, scientists and environmentalists bitterly attacked its conclusions as misrepresenting the facts.• But the proposed development has angered environmentalists who argue there's no need for more housing in Swindon.• The plans had been challenged by environmentalists on the grounds that gene technology involved unknown safety risks.• Another serious problem for environmentalists is the type of tree and forest planted.• They will have to choose between pretending to be friends of the farmer and lackeys of the environmentalist.• Republicans reacted bitterly to arrogance, real or imagined, by Democrats and their environmentalists. 