Mood: The mood of the video appears to be intense and dramatic, with a theme of empowerment and possibly heartbreak or separation, as suggested by the phrase 'Let's Break Up'. The woman's facial expression and the shattered background elements convey a sense of frustration and anger.

Environment: The environment seems to be a post-explosion or post-destruction setting, with debris and shattered pieces flying around. The lighting is golden and intense, suggesting a dramatic or action-packed scene. The setting could be an urban or industrial area, given the presence of a sledgehammer.