All of India · online and on campus

5 Climate & sustainability hackathons in India

Sorted by how long you have left to apply. 21 open now, 13 closing this week, biggest published pool ₹2L.

5 hackathons

4 still open for registration · deadline first, then start date · all times IST

Answers

Climate & sustainability hackathons in India, in one paragraph

4 climate & sustainability hackathons are open for registration in India right now, 1 of them closing this week. The next deadline is Madlab - The Ultimate Innovation Hackathon on Friday 13 November (closes today). 5 run online and 0 in person. 3 of the 5 publish a prize pool, the largest ₹2L.

  1. 1
    K Hacks 4.0

    13 days left to apply · starts Sat 19 Dec IST

    ₹2L · 2–4 per team · online

  2. 2
    IDEATHON- FutureX: Innovating for Global Challenges

    33 days left to apply · starts Sat 19 Dec IST

    prize not published · 2–4 per team · online

  3. 3
    Project Jupyter

    108 days left to apply · starts Wed 10 Mar IST

    ₹30,000 · 1 per team · online

  4. 4
    Threws Odyssey 2026

    Registration closed · starts Sun 15 Nov IST

    ₹1.5L · 1–4 per team · online

  5. 5
    Madlab - The Ultimate Innovation Hackathon

    Closes today · starts Wed 18 Nov IST

    prize not published · 1–5 per team · online

Frequently asked

How many climate & sustainability hackathons in India are open for registration right now?
4 of the 5 upcoming climate & sustainability hackathons listed in India are still open for registration: 1 close within 7 days and 2 within 30 days. The very next one to close is Madlab - The Ultimate Innovation Hackathon, on 13 November 2026.
Which climate & sustainability hackathons in India have the biggest prize pools?
3 of the 5 listed climate & sustainability hackathons publish a prize pool, the largest ₹2L.
Are there online climate & sustainability hackathons I can join from anywhere in India?
5 of the 5 run online and can be entered from anywhere in India; 0 need you on site. 5 say in their own description that students may enter.
How do I register for a hackathon listed here?
Every listing here links back to the organizer's registration page — Devpost, Luma and Unstop — and registration happens there, not on Jamao. Nothing is behind a login and no listing is paid placement. Running one? Claim your listing from its page, or add it free at jamao.in/create, and it stops being overwritten by the import.

Counted from the 5 upcoming climate & sustainability hackathons listed on this page. Rebuilt twice a day from Devpost, Luma, Unstop. All times IST.

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By theme

Hackathons by city

National and online hackathons show on every city page too — that is what 8 of these 24 listings are.

Where this comes from

Public listings on Devpost, Luma, Unstop, re-read twice a day. Registration always happens on the organizer's own page; Jamao never stands between you and it.

Running a hackathon? List it free or claim your listing from its page and we stop rewriting it.