1. Not damaging to the environment, or directed at preventing environmental damage
   - green, environmentally-friendly

Encyclopedia: Eco-friendly

• corticipetal
• Corticium
• Corticium salmonicolor
• Corticium solani
• cortico-hypothalamic
• corticoafferent
• corticoefferent
• corticofugal
• corticoid
• corticospinal tract
• corticosteroid
• corticosterone
• corticotrophin
• corticotropin
• cortina
• Cortinariaceae
• Cortinarius
• Cortinarius armillatus
• Cortinarius atkinsonianus
• Cortinarius corrugatus
• Cortinarius gentilis
• Cortinarius mutabilis
• Cortinarius semisanguineus
• Cortinarius subfoetidus
• Cortinarius violaceus