Related Clues:
- English firm concerned with the environment
- ___ mode (fuel-saving car feature)
- Kind to Mother Nature
- Sustainability indicator
- Prefix with label
- ___-Latin (language of the Vatican)
- Prefix for 'noir' or 'soul'
- Prefix with consciousness
- Low-impact, in the hotel industry
- Prefix for 'pets'
- Environment-friendly prefix
- Prefix from the Greek “oikos,” meaning “house”
- Brain opening?
- Energy-saving mode in some hybrid cars
- Prefix with pronoun