Green Action (Croatian: Zelena akcija) is an environmental organisation based in Zagreb, Croatia and the national member of Friends of the Earth. Based with a full-time activist group with thirteen members back by a larger number of volunteers, the organisation works on topics related to biodiversity, energy, climate change, freshwater, genetically modified organisms, transport, urbanism and waste. Green Action was founded in 1990.^[1][2]

Green Action is part of the 30 national organisations that Friends of the Earth Europe represents and unites at the European level.