Mood: The mood of this video is inspirational and awareness-driven, with a theme centered around environmental conservation and the importance of protecting our planet. The use of '#OnlyOneEarth' and 'World Environment Day Anthem 2022' suggests a call to action and unity in preserving the Earth.

Environment: The setting appears to be outer space, with a stunning view of the Earth from afar, highlighting its beauty and fragility. The starry night sky background adds a sense of vastness and wonder.