You touch grass.
Let them know.

Graas is a service that verifies your account with pog technology. (Proof-of-Grass)

Checking status...

You can Share your grass-touching status, and if you add it to your Profile Metadata it will show a checkmark.

Get some paper
Legibly write
Crumple the paper
Unfold the paper so it is readable
Go outside and take a picture of your hand touching a living plant on the ground, ideally grass, with the paper in the frame.
Wait for your picture to be verified.