Mood: The mood of the video appears to be somber and introspective, with a hint of defiance. The theme seems to revolve around female empowerment and resilience, as suggested by the title 'Big Girls Don't Cry'. The overall emotion conveyed is one of quiet strength and determination.

Environment: The setting of the video seems to be outdoors, possibly in a natural or wilderness setting, given the blurred greenery in the background. The lighting suggests that it could be dusk or dawn, adding to the somber mood.