Mood: The mood of the video appears to be melancholic and introspective. The theme seems to revolve around a heartfelt message or a tribute to a father, given the title 'DEAR DAD'. The overall emotion conveyed is one of nostalgia and possibly longing.

Environment: The setting of the video seems to be outdoors, possibly in a rural or natural environment, given the blurred background of trees and bushes with a predominantly brown color palette. The focus, however, is on the man in the foreground, suggesting that the video might explore personal or emotional landscapes rather than specific physical locations.