From King Dictionary of Contemporary English
Related topics: Environment & waste
eco-eco- /iːkəʊ $ iːkoʊ/ prefix SGErelating to the environment eco-warriors (=people who try to stop damage to the environment)
Examples from the Corpus
eco-eco-educationeco-friendly agricultureOfficials see a role for sophisticated eco-technology to help eradicate pollution sweeping across the region.Activist want the government to invest in low-impact eco-tourist
ECO, thethe ECOECO, the /ˌiː siː ˈəʊ/ the English Chamber OrchestraOrigin eco- ecology