Climate & Sustainability Hackathons
Explore 50 climate & sustainability hackathons. Hackathons addressing climate change, sustainability, clean energy, and environmental challenges.
Hackathons
36
Avg Prize
$5K
Organizers
58
Sunday, September 13, 2026
Ongoing
Hackathon 2026 Challenge
Online
Mar 1 – Dec 18, 2026TechHub Africa LLCOnline$1K
Climate Tech
Cloud
Ongoing
NextWave: A Youth Climate Data Challenge
Online
May 1 – Oct 30, 2026Online
Data Science
Climate Tech
Ongoing
The Rice University Urban Sustainability Hackathon
Online
Jun 23 – Sep 18, 2026Rice UniversityOnline$18K
Climate Tech
Data Science
Social Impact
Ongoing
LUMA Hackathon (September 20th - 28th)
Online
Jun 26 – Sep 28, 2026LUMAOnline
Artificial Intelligence
Fintech
Climate Tech
Ongoing
Indradhanu: PCCOE International Grand Challenge 2026
In Person
Jun 30, 2026 – Feb 14, 2027Pimpri Chinchwad College of Engineering (PCCOE), PunePune, India$2K
Artificial Intelligence
Climate Tech
Cloud
Ongoing
A Step Ahead of Drought: Forecasting Global Water Storage Challenge
Online
Jul 9 – Sep 13, 2026ITUOnline$2K
Data Science
Climate Tech
Sustainability
Ongoing
Hackathon to Solve India's Garbage Problem
Online
Jul 20 – Oct 10, 2026Wonksknow India Technologies Pvt LtdOnline
IoT
Artificial Intelligence
Climate Tech
Ongoing
InnoVenture 2026 – International Innovation & Technology Challenge
In Person
Jul 26 – Sep 25, 2026Amity University (AU), NoidaNoida, India$3K
Artificial Intelligence
Climate Tech
Edtech
Ongoing
Samadhan 2026( National Social Innovation Challenge)
In Person
Jul 31 – Dec 15, 2026UPAY (Underprivileged Advancements by Youth)Delhi, India
Social Impact
Climate Tech
Edtech
Ongoing
FUSION X 1.0 – 24-Hour Hackathon
In Person
Aug 1 – Sep 19, 2026Paavai Engineering College (PEC), NamakkalNamakkal, India$600
Healthtech
Edtech
Climate Tech
Ongoing
AETHOS - Day Zero
Online
Aug 3, 2026 – Feb 4, 2027Together We SolveOnline
Artificial Intelligence
Climate Tech
Ongoing
ABB Accelerator 2026
Online
Aug 11 – Sep 27, 2026Online
Innovation
Research
Sustainability
Ongoing
Yuva Yodha Energy Tech Hackathon
Online
Aug 16 – Oct 4, 2026Online
Climate Tech
Clean Energy
Innovation
Ongoing
Climate Risk and Health Prediction Challenge
Online
Aug 18 – Oct 18, 2026Online$1K
Healthtech
Climate Tech
Health
Ongoing
NextStep Hacks 2026
Online
Aug 21 – Sep 20, 2026HackAlphaXOnline$2K
Climate Tech
Social Impact
Artificial Intelligence
Ongoing
Graphiques Innovation Challenge
Online
Aug 22 – Sep 13, 2026Hack ClubOnline
Fintech
Climate Tech
Ongoing
St.Jude's Code Arena
Online
Aug 22 – Sep 20, 2026St. Jude's Public School(SJPS), NilgirisOnline
Cloud
Climate Tech
Edtech
Ongoing
CodeRumble 4.0
In Person
Aug 31 – Sep 25, 2026Indian Institute of Information Technology, Design and Manufacturing (IIITDM), JabalpurJabalpur, India$240
Climate Tech
Edtech
Ongoing
Predicting Electric Vehicle Purchases
Online
Sep 1 – Sep 30, 2026KaggleOnline
Data Science
Machine Learning
Clean Energy
Ongoing
MunichTech EXPO
In Person
Sep 1 – Sep 20, 2026MunichTecg EXPOMunich, Germany
Artificial Intelligence
Climate Tech
Edtech
Ongoing
Navonmesh 26 - A National Level Hackathon (In Collaboration with Qualcomm)
In Person
Sep 1 – Nov 2, 2026Shri Shankaracharya Institute of Professional Management and Technology, RaipurRaipur, India$3K
Artificial Intelligence
IoT
Climate Tech
Ongoing
CodeMyFYP HACK 26 — 48-Hour Virtual Hackathon
In Person
Sep 4 – Sep 21, 2026Karthik Rajesh ShetBengaluru, India
Artificial Intelligence
Climate Tech
Ongoing
Zinnovatio 4.0
In Person
Sep 4 – Sep 18, 2026Chandigarh University (CU), Ajitgarh, PunjabMohali, India
Artificial Intelligence
Climate Tech
Edtech
Ongoing
Agnitia 2026 : 36 Hours National Level Hackathon
In Person
Sep 7 – Oct 10, 2026Prestige Institute of Engineering, Management and Research (PIEMR), IndoreIndore, India$2K
Artificial Intelligence
Cybersecurity
Climate Tech
Monday, September 14, 2026
Tuesday, September 15, 2026
Wednesday, September 16, 2026
Thursday, September 17, 2026
Friday, September 18, 2026
Saturday, September 19, 2026
Upcoming
Drop2Life
In Person
Sep 19 – Sep 20, 2026Drop2LifeIndia$45K
Sustainability
Healthtech
IoT
Upcoming
HackMY IoT_MyEvolution Hackathon 2026
In Person
Sep 19 – Sep 20, 2026Myriam ChahSubang Jaya, Malaysia
Data Science
IoT
Climate Tech
Upcoming
SHPE Jr. Designathon
Online
Sep 19 – Sep 20, 2026SHPE UFOnline$350
Artificial Intelligence
Climate Tech
Upcoming
Health in Climate AI Hackathon NYC
In Person
Sep 19 – Sep 20, 2026Chethan SarabuNew York, United States$6K
Artificial Intelligence
Climate Tech
Health
Upcoming
Future Legends! Hackathon: UofT Edition. - Presented by Startup Ecosystem Canada
In Person
Sep 19, 2026Startup Ecosystem CanadaToronto, Canada
Climate Tech
Tech
Entrepreneurship
Upcoming
A hackathon to kick off NYC Climate Week 2026
In Person
Sep 19, 2026Dan BakkeNew York, United States
Climate Tech
Artificial Intelligence
Fintech
Sunday, September 20, 2026
Upcoming
SVYCA Youth for Earth (Y4E) Hackathon
In Person
Sep 20 – Oct 18, 2026Silicon Valley Youth Climate ActionStanford, United States$3K
Climate Tech
Social Impact
Artificial Intelligence
Upcoming
Building the Future: A Life-Centric Climate & Civic Tech Makeathon
In Person
Sep 20, 2026Brooklyn, United States
Hackathon
Climate Tech
Social Impact
Past hackathons
Recently ended — many run again.
