What is Climathon ?

Infographics to show what Climathon is?

Climathon is a global 24-hour climate change hackathon which will take place simultaneously in major cities around the world on 27 October 2017.

It brings together the challenges of the world’s cities with the people who have the passion and ability to solve them. Climathon attracts innovators, entrepreneurs, students and professionals to create innovative solutions to cities climate challenges.

In cities with a 24 hour Climathon event, a Young Climathon can be set up for undergraduate students with a related challenge but with shorter time frame.

Now its third year of operation, the Climathon movement has grown tremendously over the past two years, encouraging more innovators across the globe to drive climate action.

Climathon has grown from 19 to 59 cities in the space of a year, operating across 6 continents, creating over 2330 ideas and reaching 16.8 million people worldwide in 2016.


Become a Climathon City Host

Engage your citizens to take real climate action today!

How will you benefit from the Climathon?

  • Crowdsourcing local ideas to solve climate challenges of your city
  • Engagement of local students, entrepreneurs and innovators
  • Forge strong links between local businesses, academia and public bodies
  • Empower and showcase your local communities climate action across the globe
  • Engage with new global partners through Climate-KIC

Climate-KIC support to Host Organizations:

  • Climate-KIC & Global Climathon branding tools
  • Climathon event webpage for each Climathon city
  • Online registration portal for participants
  • Climathon handbook and event planning guide
  • Communication toolkits: online marketing materials, customizable flyers and posters etc.
  • On-going advisory forum to plan and run Climathon


The Climathon Challenge

Each city sets its own local climate challenge that reflects what affects their urban life the most. Challenges can vary from air quality, water and waste management, and extreme weather events, use of city satellite data, etc.

Participants then tackle the set challenge for a full 24-hours, before pitching their ideas in front of relevant local stakeholders.

These ideas can develop into tangible sustainable solutions and businesses that address city climate challenges across the globe.

Find inspiration for your challenges in the 4 thematic areas of Climate-KIC:


How to apply?

Application deadline for City Hosts: 1st August, 2017

Apply timeline

With your finalised city challenge after 1st August, you will receive a customisable Climathon city webpage to recruit participants, and upload useful information about your event.

Cities Counter

Climathon Cities







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Climate Innovators

Create real solutions to your city’s climate challenge, take action in your city!

How will you benefit from Climathon?

  • Help solve your city’s local climate challenge, and make your city more resilient to climate change
  • Network with local leaders from academia, business and public authorities
  • Develop your skills in public speaking, innovative thinking, prioritisation, and explore new tools and methodologies
  • Join forces with other like-minded entrepreneurs and innovators
  • Become a part of a global community working together to take climate action!

Please contact us to register your interest now to join the Climathon global movement to take climate action


About Climate-KIC

Climate-KIC is the EU’s largest public private partnership addressing climate change through innovation to build a zero carbon economy



Contact Us

If you have any queries about the Climathon please contact:

Climathon Manager
Orsolya Barna