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 …
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🌍 Plantera — Plant Trees on a Living Earth
This is a submission for Weekend Challenge: Earth Day Edition 🌱 What I Built Plantera is an interactive Earth where users can plant virtual trees on r…
Terra Triage: I Built a 3-Agent Wildlife Dispatcher That Learns From Every Referral
This is a submission for Weekend Challenge: Earth Day Edition TL;DR — Snap a photo of an injured animal, the right licensed rehabber gets paged in und…
EcoShift: Your AI-Powered Roadmap to a Zero-Waste Life
What I Built EcoShift is a high-performance sustainability companion designed to solve the "intention-action gap"—the phenomenon where individuals wan…
Unearthed—The Coal Mine Behind Every Light Switch
This is a submission for Weekend Challenge: Earth Day Edition What I Built EPA's Power Profiler tells you your grid is 32% coal. iLoveMountains tells …
🌍 EarthTwin AI – See the Future You're Creating
This is a submission for Weekend Challenge: Earth Day Edition 🚀 What I Built I built EarthTwin AI — a real-time, AI-powered simulation that shows how …
Eco-Web Auditor
This is a submission for Weekend Challenge: Earth Day Edition What I Built For this challenge, I built an Eco-Web Auditor that evaluates any URL again…
Repair Oracle: AI-Powered Assessor for Broken Household Items
This is a submission for Weekend Challenge: Earth Day Edition What I Built We've all been there: a household item breaks, and it's usually easier to j…
GreenCompute: Carbon-Aware Code Analysis Dashboard
GreenCompute: Carbon-Aware Code Analysis Dashboard This is a submission for Weekend Challenge: Earth Day Edition What I Built GreenCompute is a sophis…
EcoOS Intelligence: Reimagining Sustainability with AI
This is a submission for Weekend Challenge: Earth Day Edition What I Built What if every daily decision showed its carbon cost before you made it? Bui…
GreenStep AI
This is a submission for Weekend Challenge: Earth Day Edition What I Built GreenStep is a web app that shows you how to lower your carbon footprint an…
Repair Before Replace: an AI-powered circularity assistant with persistent repair memory
This is a submission for Weekend Challenge: Earth Day Edition . What I Built I built Repair Before Replace , an AI-powered circularity assistant that …
# 🌌 SkyGuardian Lite: We’re Losing the Night Sky 🌍
This is a submission for Weekend Challenge: Earth Day Edition 🌍 What I Built Have you ever looked up at the night sky… and noticed something missing? …
FarmSense AI - An intelligent farming companion
This is a submission for Weekend Challenge: Earth Day Edition Please comment if the api token is expired. I'll update it. Note: Most of the context is…
I Built a Playable Life Sim That Reveals Your Real Climate Impact at the End
This is a submission for Weekend Challenge: Earth Day Edition Earth Day Edition — Earth Impact What I Built Most climate apps show you a number. Earth…
EcoAgents — I built an AI agent that knows your carbon footprint and never lets you forget it
This is a submission for Weekend Challenge: Earth Day Edition What I Built EcoAgents is a personal AI agent that analyses your carbon footprint, build…
EcoSense AI: Know Your Carbon Footprint in 60 Seconds
This is a submission for Weekend Challenge: Earth Day Edition What I Built EcoSense AI is an AI-powered carbon footprint analyzer that helps people un…
Every climate chatbot is amnesiac. So I built Aura — a stateful climate coach on Backboard + Gemini
Every climate chatbot is amnesiac. So I built Aura — a stateful climate coach on Backboard + Gemini What I built Every behavioral-change tool in the "…
🌍 DecoScan: AI Environmental Intelligence
*This is a submission for [Weekend Challenge:] 🌍 DecoScan: AI Environmental Intelligence Scan Smart. Dispose Right. Empowered by Gemini AI. 💡 The Prob…
The Chip Account: What It Costs the Planet to Make One Chip
This is a submission for Weekend Challenge: Earth Day Edition What I Built TheChipAccount — an interactive, data-driven dashboard that makes visible t…
🌍 Eco Swap – Small Changes, Big Impact
This is a submission for [Weekend Challenge: Earth Day Edition] What I Built I built Eco Swap , a simple and interactive web app that helps users repl…
I Built OxyTrack: Turning Small Daily Habits Into Real Environmental Impact 🌱
This is a submission for Weekend Challenge: Earth Day Edition What I Built Many people want to help the environment, but don’t know how to measure the…
LitterLoot: Healing the Earth, One Micro-Bounty at a Time (AI + Web3)
This is a submission for Weekend Challenge: Earth Day Edition What I Built The problem nobody says out loud Walk down almost any street, in almost any…
I Asked AI to Show Me My Life in 2050 — It Was Terrifying
This is a submission for Weekend Challenge: Earth Day Edition I asked AI to show me my life in 2050. It generated 3 versions. One of them was… uncomfo…
🌍 Weekend Challenge: Earth Day Edition — Caretaker City
This is a submission for Weekend Challenge: Earth Day Edition What I Built Caretaker City is a real‑time environmental stewardship app designed to mak…
Defluffer - reduce token usage 📉 by 45% using this one simple trick! [Earthday challenge]
This is a submission for Weekend Challenge: Earth Day Edition Fluffer: someone who helps people "get ready for work" in the adult film industry Defluf…
EcoSort- Smart Waste Sorting App for Earth day
This is a submission for Weekend Challenge: Earth Day Edition What I Built EcoSort is a Flutter mobile app that helps users correctly sort waste items…
The Zero-Impact Build: Why Writing Less Code is the Best Earth Day Project
A submission for Weekend Challenge: Earth Day Edition Let me be perfectly clear right up front: I am not participating for any prize money or category…
ActionNode: A Real-Time Sustainability Command Center for Earth Day 2026
This is a submission for Weekend Challenge: Earth Day Edition What I Built ActionNode — a real-time sustainability dashboard that turns complex enviro…
🌍 Planetary Pulse — AI-Powered Earth Dashboard with 6 Prize Tech Integrations
This is a submission for Weekend Challenge: Earth Day Edition What Inspired Me We're drowning in climate data but starved for meaning. Every day there…