Climate & Sustainability Hackathons
Explore 111 climate & sustainability hackathons. Hackathons addressing climate change, sustainability, clean energy, and environmental challenges.
Hackathons
103
Avg Prize
$10K
Organizers
54
Tuesday, October 6, 2026
Ongoing
Hack Northwest
In Person
Oct 5 – Oct 6, 2026Hack NW GroupTacoma, United States
Healthtech
Climate Tech
Edtech
Ongoing
INNOVA X 2K26 Global Online Hackathon
Online
Sep 11 – Oct 7, 2026Shree Venkateshwara Hi-Tech Engineering CollegeOnline
Artificial Intelligence
Climate Tech
Ongoing
Zinnovatio 4.0
In Person
Sep 4 – Oct 7, 2026Chandigarh University (CU), Ajitgarh, PunjabMohali, India
Edtech
Artificial Intelligence
Climate Tech
Ongoing
Python Coding Challenge in Qiskit
Online
Sep 22 – Oct 7, 2026SRM University - APOnline
Cloud
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
Ongoing
Kriyova - 24-Hours Hackathon 2026
In Person
Sep 19 – Oct 10, 2026Potti Sriramulu Chalavadi Mallikarjuna Rao College Of Engineering And Technology (PSCMRCET), Vijayawada, Andhra PradeshVijayawada, India
Climate Tech
Edtech
Cloud
Ongoing
Sustain-A-Thon 2.0 (2026)
In Person
Sep 26 – Oct 10, 2026Sharda University (SU), Greater NoidaGreater Noida, India
Edtech
Cloud
Climate Tech
Ongoing
Graphiques Innovation Challenge
Online
Aug 22 – Oct 10, 2026Hack ClubOnline
Fintech
Climate Tech
Ongoing
Climate Hack-tion
Online
Oct 1 – Oct 12, 2026Online
Climate Tech
Sustainability
Social Impact
Ongoing
Jugaad
In Person
Aug 20 – Oct 17, 2026Sant Longowal Institute of Engineering and Technology, Longowal, PunjabLaungowal, India$72
Cloud
Climate Tech
Edtech
Ongoing
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
Ongoing
Climate Risk and Health Prediction Challenge
Online
Aug 18 – Oct 18, 2026Online$1K
Healthtech
Climate Tech
Health
Ongoing
SGU_HackX - 1.0
In Person
Sep 21 – Oct 23, 2026SDGI Global UniversityDasna, India$600
Edtech
Cloud
Climate Tech
Ongoing
Infothon 7.0
In Person
Sep 16 – Oct 24, 2026Vidyavardhaka College of Engineering, MysoreMysuru, India$480
Cloud
Artificial Intelligence
Climate Tech
Ongoing
From Vision to Impact: Building Web3 for Social Good — Collaborate. Innovate. Build for Good 2026
In Person
Aug 26 – Oct 25, 2026School of Computing and Information Systems, SMUTBA
Blockchain
Social Impact
Climate Tech
Ongoing
IEEE ClimateChain Global Hackathon
Online
Oct 5 – Oct 25, 2026IEEE TurkeyOnline$3K
Climate Tech
Blockchain
Artificial Intelligence
Ongoing
NextWave: A Youth Climate Data Challenge
Online
May 1 – Oct 30, 2026Online
Data Science
Climate Tech
Ongoing
BioBridge – Bio Innovation Hackathon 2026
In Person
Sep 14 – Oct 30, 2026K.S. Rangasamy College Of Technology (KSRCT), NamakkalTiruchengode, India$216
Healthtech
Climate Tech
Data Science
Ongoing
Strategy Sprint | TECHKRITI | IIT KANPUR
In Person
Sep 30 – Nov 14, 2026TechkritiKalyanpur, India
Cloud
Edtech
Climate Tech
Ongoing
Students of Global Impact
Online
Sep 7 – Nov 14, 2026International Foundation for Sustainable Peace and DevelopmentOnline
Cloud
Climate Tech
Ongoing
Solve - a - Thon | National Hackathon
In Person
Sep 15 – Nov 28, 2026Swami Rama Himalayan University (SRHU), Baksar Wala, UttarakhandDehradun, India$1K
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
Hackathon 2026 Challenge
Online
Mar 1 – Dec 18, 2026TechHub Africa LLCOnline$1K
Climate Tech
IoT
Ongoing
NewYear X Thon 2K27
Online
Sep 29 – Dec 31, 2026BrainwavesOnline$60
Cloud
Edtech
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
Saturday, October 10, 2026
Upcoming
PANDORA 2.0
In Person
Oct 10 – Oct 11, 2026JSPM's WagholiJSPM's Wagholi, India$480
Artificial Intelligence
Climate Tech
Upcoming
Hackathon Climate U 2026
In Person
Oct 10, 2026LIDERA Community & Calouste Gulbenkian FoundationLisbon, Portugal$2K
Hackathon
Climate Tech
Upcoming
Projet: Hack & Hire
In Person
Oct 10 – Oct 17, 2026Projet myprojet.coSingapore, Singapore
Climate Tech
Artificial Intelligence
Data Science
Upcoming
GNSS 4 Rural-Urban Divide Bridging (G4R-UDB) Hackathon
Online
Oct 10 – Oct 17, 2026SATNAV AFRICA JPOOnline
Climate Tech
Data Science
Upcoming
Vortexa 3.0
In Person
Oct 10 – Oct 11, 2026AIRSPimpri-Chinchwad, India
Artificial Intelligence
Social Impact
Climate Tech
Upcoming
Hyphen-Hacks
In Person
Oct 10 – Oct 11, 2026Lick-Wilmerding High SchoolSan Francisco, United States
IoT
Artificial Intelligence
Climate Tech
Monday, October 12, 2026
Past hackathons
Recently ended — many run again.
Saturday, October 3, 2026
Friday, October 2, 2026
Thursday, October 1, 2026
Wednesday, September 30, 2026
Tuesday, September 29, 2026
Monday, September 28, 2026
Sunday, September 27, 2026
Saturday, September 26, 2026
Past
Lake Oswego Hacks
Online
Sep 26 – Sep 28, 2026Lake Monsters Robotics (frc2635)Online$260
Climate Tech
Artificial Intelligence
Past
The Harness Engineering & Model Wrangling Hackathon
In Person
Sep 26 – Sep 27, 2026MongoDBNew York, United States$15K
Artificial Intelligence
Healthtech
Climate Tech
Past
N-Green: Neighbourhood Action Hackathon
In Person
Sep 26, 2026The Common OnesKøbenhavn, Denmark
Social Impact
Climate Tech