Answer:
What has four wings but cannot fly and uses the wind but does not know why?
I'm the source of all emotion, but I'm caged in a white prison.
I cost no money to use, or conscious effort to take part of. And as far as you can see, there is nothing to me. But without me, you are dead.
Grows from the ground, bushes and grass, leaves of yellow, red and brow, unruly plants, get the axe, trim the hedge back down.
Feed me and I live, give me drink and I die.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?