From Longman Dictionary of Contemporary Englisheco-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-education• eco-friendly agriculture• Officials 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 facilities.• eco-toysECO, thethe ECOECO, the /ˌiː siː ˈəʊ/ the English Chamber OrchestraOrigin eco- ecology 