Mood: The mood of the video appears to be empowering and uplifting, with a theme of female solidarity and resilience. The title 'Big Girls Don't Cry' suggests that the video may be about women overcoming challenges and rising above societal expectations. The overall emotion conveyed is one of confidence and determination.

Environment: The setting of the video appears to be a natural, outdoor environment, possibly a forest or a park, with trees and greenery visible in the background. The girls are dressed in school uniforms, suggesting that the video may be related to a school or educational setting. The atmosphere seems serene and peaceful, with a sense of freedom and movement.