PlanetSustain is a user-friendly global mobile app that promotes awareness of environmental sustainability and facilitates widespread adoption. The app enables tracking of scope 1, 2, and 3 carbon emissions, as well as their management and reduction through responsible consumption. It empowers users to embrace responsible consumption, take climate action, and adjust their daily routines in personal lives and business operations by adopting sustainable practices. PlanetSustain empowers individuals, communities, youth, and women to embrace sustainability by monitoring their household carbon footprints, reducing consumption, and saving costs. Users can take action to offset emissions through initiatives such as tree planting, recycling, and book and cloth donations PlanetSustain enables businesses, SMEs, NGOs, and educational institutions to track Scope 1, 2, and 3 carbon footprints generated by their operations, and to collect and consolidate data from branches and suppliers. It also engages stakeholders, including employees, students, individuals, and the community, in tracking their own carbon footprints and embracing sustainable practices in their daily routines, thereby collectively contributing to the reduction of Scope 3 emissions