Mood: The mood of the video appears to be heartwarming, sentimental, and celebratory, as it is dedicated to Mother's Day. The theme revolves around the love and appreciation for mothers, showcasing various moments and memories shared between mothers and their children.

Environment: The environment or setting of the video seems to be a personal and intimate one, likely taking place in various domestic settings such as homes, given the casual and informal nature of the photographs. The video may also touch upon emotional and possibly nostalgic settings, reflecting on the relationships and bonds between mothers and their children.