EcoTwin: An AI Climate Coach for Real-World Emissions Cuts

What I Built EcoTwin is a personalized climate action coach that turns a few everyday inputs, like commute habits, food choices, home energy use, and travel frequency, into a practical action plan with estimated annual CO2e savings. The goal was to build something useful immediately. Instead of giving users a generic sustainability lecture, EcoTwin acts like a climate twin: it estimates a baseline footprint, then recommends the highest-impact changes first. Users get: A baseline annual footprint