Mood: The mood of the video appears to be energetic and motivational, with a theme of youthful rebellion or inspiration. The use of the word 'Youngistaan' and the presence of a crowd suggests a sense of community and collective energy.

Environment: The setting of the video appears to be a large indoor auditorium or stadium, possibly a school or university setting, given the presence of students in uniform. The crowd is seated in tiered seating, and there are signs and banners visible, suggesting a lively and engaged audience.