Mood: The mood of this video appears to be inspirational, hopeful, and celebratory, with a focus on promoting a better world through music. The theme seems to revolve around environmentalism and supporting a good cause, as indicated by the 'Concert For Every Child' and 'In Support of UNICEF' text. The overall emotion evoked is one of joy, unity, and positivity.

Environment: The setting of the video seems to be a vibrant, colorful, and lively environment, possibly a concert or music festival setting. The presence of various animals like giraffes, parrots, and a koala suggests a whimsical and playful atmosphere, which may be reflective of the music and message presented in the video. The tropical leaves and plants further reinforce this idea, potentially transporting viewers to a lively outdoor setting.