Possible Clues:

• Grassy enclosure, in a village say
• Proverbial constituent of our moon
• Outlaws "___ Grass and High Tides"
• Inexperienced soldiers beset by information
• "Go" color
• Concerned about the environment
• Sign of St. Patrick's Day that can precede each half of the shaded answers
• Between blue and yellow in the colour spectrum
• Of course finish here or about, in general
• See 89-Down