Green fields (7)
I believe the answer is:
meadows
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">green fields</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for meadows that I've seen before include "Hayfields" , "where you find grasses" , "Paddocks" , "Fields for making hay" , "Fields of grass" .)