ecologist
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Synonyms:
environmentalist, conservationist, naturalist, preservationist, environmental engineer, ecological engineer, oceanographer, student of environment, student of ecosystems, antipollutionist, biologist, botanist, specialist in marine biology, specialist in population control, specialist in smog control, ecofreak, tree-hugger, scientist Collocations, eco-warrior, environmental activist, tree sitter, green Collocations , member of the Green Party