Mood: The mood of the video appears to be melancholic and introspective, with a sense of longing. The theme seems to revolve around heartbreak, relationships, and possibly female empowerment, as hinted by the title 'Big Girls Don't Cry'. The overall emotion conveyed is one of somberness and contemplation.

Environment: The setting of the video appears to be a rural or countryside area, possibly a farm or a field, with horses in the background. The foggy and hazy atmosphere adds to the melancholic mood, suggesting a serene yet sorrowful environment.