The Climate Change-Makers Challenge: 2026

Devpost hackathon: The Climate Change-Makers Challenge: 2026. Imported automatically.

Winners

CoireGrand Prize!COIRE is a fully offline natural disaster tool keeping communities connected through community messaging for shared resources and skills, ai assistance, and mapDartFirebaseFlutter

Planet HerosSecond Place (x1)Empowering kids to become everyday heroes for the planet.

Ecology ChoiceThird Prize (x3)Every choice mattersUnity
My Little FlutterThird Prize (x3)Where small actions becomes big. It shows residents exactly how much methane they just prevented, every deposit earns Eco-Credits; redeemable for grocery voucheJavaJavaScriptReact Native
Prompt FootprintThird Prize (x3)A Chrome extension that educates about the environmental impacts of excessive AI usage.JavaScriptVercel

BioCharBest-of-the-Rest (x2)From Smoke to Soil
NightBreath : the heat doesn't leave when the sun doesBest-of-the-Rest (x2)Nights are heating twice as fast as days. When they don't cool, people die ; mostly in marginalized communities. NightBreath maps this invisible crisis and deliJavaScriptTypeScriptVercel

ANN Flood ShieldMystery AwardANN Flood Shield uses an AI model trained with 36 years of data to predict floods 24 - 48 hours ahead, sending SMS/WhatsApp alerts to save lives and livelihoods
Earth AlliesMystery AwardEarthAllies connects recycling, volunteering, and flood alerts into one platform—helping communities take real climate action, not just talk about it.MongoDBReact
EcologiqPublic Choice AwardReducing empty miles, reducing carbon emissions, redefining logistics.FlutterOpenCVPostgreSQL
Flood Risk AI Calculator AppMystery AwardFloods threaten 1.8B people. Our ML app lets farmers and everyone worldwide assess their flood risk in minutes, get actionable advice, and hear it aloud in 3 laFigma
TerrawareMystery AwardWe built a tool connecting real-time environmental data to biodiversity and local action — so anyone can understand what climate change means for their state, aReactVercel