Terra Letters — A Living Atlas of the Places We Love
This is a submission for Weekend Challenge: Earth Day Edition What I Built Terra Letters is a living atlas that lets you drop a pin on any place on Ea…
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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…
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 …
Arara Watch: a serverless global disaster monitor, developed with technology from Google Gemini, AWS, OpenWeather and NASA.
This is a submission for Weekend Challenge: Earth Day Edition What I Built For this Earth Day Challenge, I wanted to build something that bridges the …
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…
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 …
Green Habit Coach — AI-Powered Habit Analysis and Eco Coaching
What I Built I built Green Habit Coach, a web app that helps users reflect on their daily habits and get practical eco-friendly suggestions. Users can…
Evergreen Sentinel : Know Your Waste Laws Before You Toss It
🌿 Evergreen Sentinel — AI Sustainability Auditor This is a submission for Weekend Challenge: Earth Day Edition What I Built Describe any item — a plas…
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 "…
Green Spaces: I Built a Community Memory Map for Earth Day 🌿
This is a submission for Weekend Challenge: Earth Day Edition What I Built Green Spaces is a community memory map where anyone can pin a natural space…
🌍 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…
I Had No Weekend Plans… So I Let Earth Tell Its Story 🌍
This is a submission for Weekend Challenge: Earth Day Edition “I’m not asking for much. Just… stop lighting me on fire, okay?” — Earth, probably. So… …
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…
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…
EcoMark - Discover your environmental footprint
This is a submission for Weekend Challenge: Earth Day Edition EcoMark – A Simple Way to Reflect on Our Carbon Footprint What I Built For this challeng…
I Measured the Carbon Footprint of My AI Agents. 87% Was Pure Waste.
This is a submission for Weekend Challenge: Earth Day Edition Every token your agent burns is a small amount of coal somewhere in a datacenter. I got …
I Built a Carbon Footprint Tracker in 48 Hours — Here's How Copilot Saved Me
This is a submission for the Weekend Challenge: Earth Day Edition 🌱 What I Built I built EcoTrack Pro — a beautiful, privacy-first carbon footprint ca…
I Built a Carbon Footprint Tracker in 48 Hours — Here's How Copilot Saved Me
🌱 I Built a Carbon Footprint Tracker for Earth Day — Here's What I Learned (and How Copilot Saved Me) This is a submission for the DEV Weekend Challen…
Weekend Challenge: Earth Day Edition
This is a submission for Weekend Challenge: Earth Day Edition What I Built For this Earth Day–themed challenge, I set out to build a small but meaning…
EcoTrack AI — Carbon Footprint Tracker & Dashboard
This is a submission for Weekend Challenge: Earth Day Edition EcoTrack AI — Track, Visualize & Reduce Your Carbon Footprint This is my individual …
I Built a Carbon Footprint Calculator in One Evening (With AI-Powered Tips)
I Built a Carbon Footprint Calculator in One Evening (With AI-Powered Tips) What I Built EcoTrack is a single-page web app that calculates your annual…