Answer:
When this is found in a road you are forced to make a decision.
Lovely and round, I shine with pale light, Grown in the darkness, a ladyβs delight.
Environmentalists want to keep this from drying.
No matter how little or how much you use me, you change me every month. What am I?
I always run but never walk, I sometimes sing but cannot talk, No head on which a hat to place, You always look me in the face.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?