Define the app's goals, target audience, and key features. Conduct research on sustainability practices and user preferences. Create a project roadmap and outline the development process.
Create wireframes and visual designs for the app. Develop the front-end and back-end functionalities, including features like the carbon footprint calculator, eco tips, and personalized goals.
Prepare the app for deployment to app stores, ensuring compliance with platform guidelines. Optimize app store listings and develop a marketing strategy to create buzz and generate awareness.