Mood: The mood of the video appears to be romantic and melancholic, with a sense of longing. The title 'Ab Tere Bin' which translates to 'Now Without You' suggests a theme of love and separation. The use of a single color gradient background and elegant font adds to the emotional and intimate tone.

Environment: The environment or setting of the video is not explicitly shown, but based on the text and the overall aesthetic, it can be inferred that the video may be set in a contemporary or modern urban setting, possibly with a focus on indoor or nighttime scenes to match the romantic and melancholic mood.