Climate & Sustainability Hackathons in 2026
Explore 50 climate & sustainability hackathons in 2026. Hackathons addressing climate change, sustainability, clean energy, and environmental challenges.
Hackathons
50
Avg Prize
$2K
Organizers
55
Saturday, July 4, 2026
Ongoing
A Professional Hackathon
Online
Feb 26 – Nov 26, 2026Online
Sustainability
Social Impact
Innovation
Ongoing
Hackathon 2026 Challenge
Online
Mar 1 – Dec 18, 2026TechHub Africa LLCOnline$1K
Climate Tech
Cloud Computing
Ongoing
Tech to Treasure Hackathon
In Person
Mar 28 – Aug 1, 2026bin to betterSan Jose, United States$450
Climate Tech
Edtech
Ongoing
XTARD 2.0
In Person
Mar 29 – Jul 31, 2026Sri Sairam Engineering College (SSEC), ChennaiNandambakkam, India$600
Social Impact
Innovation
Sustainability
Ongoing
GenZ Can Hack 2026
In Person
Apr 1 – Aug 22, 2026Kids for Kids Toronto Coding ClubToronto, Canada$1K
Data Science
Web Development
Climate Tech
Ongoing
HackfiniX 2026
In Person
Apr 1 – Aug 14, 2026Cambridge Institute of Technology North Campus, BengaluruBengaluru, India$15K
Cloud
Climate Tech
Edtech
Ongoing
NextWave: A Youth Climate Data Challenge
Online
May 1 – Oct 30, 2026Online
Data Science
Climate Tech
Ongoing
Devnovate Summer of Code
Online
May 20 – Aug 20, 2026HackWithIndiaOnline
Open Source
Edtech
Climate Tech
Ongoing
Biothon 2026
In Person
May 25 – Jul 22, 2026Marwadi University (MU), GujaratRajkot, India$2K
Healthtech
Climate Tech
Cloud
Ongoing
The Rice University Urban Sustainability Hackathon
Online
Jun 23 – Sep 18, 2026Rice UniversityOnline$18K
Climate Tech
Data Science
Web Development