noun
ecological movement; environmental movement
Refers to organized efforts or activism aimed at protecting the natural environment.
エコロジー運動は1970年代に盛んになった。
The ecological movement became active in the 1970s.
More general term for 'environmental protection movement'; エコロジー運動 specifically emphasizes ecological principles.
Compound of エコロジー (from English 'ecology') and 運動 (movement).