participants from
diverse backgrounds


24h Hackathon
Fri 09:00 to Sat 18:00


Kraftwerk Zurich
Selnaustr. 25, 8001 Zurich

The 24h Climate-Hackathon in Zurich is a unique experience that is not to be missed. Watch our video from last year’s Climathon to feel the vibes and to learn more about the process of collectively taking climate action

Participating at the Climathon was one of my highlights of the past year. So many inspirational conversations, so much passion and incredibly good food. What do you need more?»

Individual Participant

The Zurich Climathon was a place for us to validate our idea in front of a community of innovators and gain visibility which had a great impact for us. «

Startup Team

The climathon experience is highly dynamic. Motivated participants give their very best to generate climate solutions to the most pressing problems. As an expert, it’s inspiring to be part of their journey.«


Climathon perfectly encapsulates what we so desperately need: a feeling of agency and being part of the solution as literally everybody can contribute to solving the climate crisis and every action counts» 

Team Coach


80+ participants

16+ teams


16+ experts & coaches

up to 10 winners

Climathon is an event to take climate action and become part of an innovative community of students, startups, entrepreneurs, experts, innovators, activists, change makers, coders and interested citizens. All united by the vision to jointly develop ideas and projects to solve Zurich’s most pressing climate challenges

Winning teams

Up to 10 winning teams are selected and one of them even gets the chance to compete for the Global Climathon Award.

Click on the links below to find out more about the ideas from last year’s Climathon and to check out their current collaboration with the City of Zurich.

*You will be required to ask for access after opening the link. Thanks! 


We are proud to bring together and support innovative minds to solve today’s biggest challenge. Are you joining?

Join as a participant

You are part of a startup team or an individual who is thrilled to participate and innovate?

Let’s partner up

Want to support our innovators, have a challenge to be solved or are an expert in your field?


The Project Team

Laurene Descamps

Project Lead

Teodora Radulescu

Project Coordination

Viktor Vogt

Media & Communication

Luzia Schuler


About the Climathon

The Climathon was founded in 2015 in the run-up to the historic Paris climate agreement and has grown enormously since then.

It takes place every year in a growing number of cities around the world. In 2021 the Climathon will be held in 145 cities around the globe.

The Climathon Zurich is taking place for the 6th time already and offers citizens the opportunity to become active for the climate and initiate systemic changes.

6500+ participants
145 cities
600+ ideas
6 continents
Covid measures

We will be preparing the event in line with the necessary protocols for minimising risks regarding COVID-19.