Code Green:
Hacking the Future of Sustainable Impact

Technology-Driven Solutions for a Real-World Climate Challenge

📍 ESMT Berlin 📅 February 20-21, 2026
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The Challenge

One problem. One day. Infinite possibilities.

What You'll Build

One real sustainability challenge. Real data. You'll tackle an urgent climate problem affecting Berlin. Bring your coding, data, and business skills. Build something that could actually ship.

🚀

Tech-Driven Solutions

Use AI/ML, data analysis, and rapid prototyping to build solutions that could actually be deployed

🌍

Real-World Impact

Work on a pressing environmental challenge with measurable outcomes (CO₂ reduced, money saved, systems improved)

🧠

Mentor Support

Get real-time feedback from sustainability and tech experts

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Expert Judging

Present to a panel of industry leaders, get feedback that counts and win a prize!

Who Should Join?

We are inviting both tech wizards and business minds

💻

The Tech Builder

Future CTO

You're the one who can turn ideas into working prototypes

Who fits this role?

  • Studying computer science, engineering, physics, or any technical field at a Berlin university, or a recent graduate from technical programs
  • Non-technical degree students or graduates with serious coding/technical project experience
📊

The Business Strategist

Future CEO

You know how to turn technology into viable businesses

Who fits this role?

  • Pursuing business, management, entrepreneurship, or related degrees at a Berlin university, or a recent graduate from such programs
  • Non-business degree students or graduates with serious innovation management or entrepreneurship experience

What to Expect

Friday Evening

February 20 | Opening & Matchmaking
  • Meet your potential co-founders
  • Network over drinks and snacks
  • Form your dream team (tech + business)
  • Learn the challenge

Saturday Full Day

February 21 | Hack Day
  • Fuel up with breakfast
  • Build, iterate, break things, fix them
  • Recharge with lunch at ESMT
  • Mentor sessions when you need them
  • Pitch to judges & celebrate

Ready to Build?

Secure your spot now. Limited capacity available.

Register for the Hackathon →

Coming solo? No worries! We've got a matchmaking session on Friday where you can find your team. Just confirm your availability in the registration form.

Already have a team? Amazing! Register together and enter your team name in the form.

Stay in the loop! Join our WhatsApp community for updates and to connect with other participants.

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Questions?

Got questions? We've got answers.

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