Related Clues:

• Environmentally sound
• Environmental - colour
• Concerned for the environment
• Ecologically beneficial
• Colour — fresh
• Proverbial constituent of our moon
• Roughrider jersy colour
• Eco-conscious
• Putting area
• Needing training
• Easy to take?
• Enviro-friendly
• Emerald or olive
• 'Go' signal
• Kermit's color