Gemini Footprint Tracker — See the Real Cost of Every AI Prompt

This is a submission for Weekend Challenge: Earth Day Edition What I Built Every time you send a message to an AI, it consumes water, energy, and emits CO₂. Most people have no idea how much. Gemini Footprint Tracker makes that cost visible — in real time, per request, with full transparency about how the numbers are calculated. You bring your own Gemini API key, pick a model, and start chatting. After every response the tracker shows how much water and CO₂ that exchange cost — scaled by token c