Call for Code Global Challenge Overview to fight against Climate Change 2021 (Win $200,000)

David Clark Cause and IBM invite applications for the Call for Code Global Challenge to mitigate the effects of COVID-19 and climate change by creating sustainable solutions using open source technology in 2021.

The Call for Code Global Challenge asks developers and problem solvers to form teams and develop solutions that address specific problems in unique, clearly demonstrable ways. The most successful solutions are those scoped to have the greatest community impact with the smallest technological footprint.

Worth of Award

Global Challenge

All winners will receive an invitation to the Call for Code Global Award Announcement and support from the Linux Foundation.

  • Grand prize winner – $200,000 USD

Dispersed equally across the team and solution deployment support

  • Runners up
First and second – $25,000 USD
Third and fourth – $10,000 USD


University Challenge

  • Grand prize – $10,000 USD

Each student team member will receive the opportunity to interview for a potential role at IBM.

  • Runners up

Each student team member will receive the opportunity to interview for a potential role at IBM.

Regional prizes

  • Grand prize – $5,000 USD

Dispersed equally across the team


Submissions will be judged equally across 4 primary criteria which evaluate whether the solution solves a real-world problem and uses technology effectively.

Effectiveness and efficiency: Does the solution address a high-priority area? Does it achieve its goal effectively and efficiently? Can it scale?

Design and usability: How good is the design, user experience, and ease of use of the solution? How quickly can it be put to use?

Creativity and innovation: How unique was the approach to solving a long-standing or previously intractable problem?

How to Apply

  • Submissions –Must use one or more IBM Cloud services or IBM Systems. Use of sponsor or affiliate APIs and open source libraries is also encouraged.
  • Team Size – Teams of up to five (5) participants, each at least 18 years old, are allowed.
  • Joining teams – A participant may not be part of multiple teams.
  • University students – Teams competing for the University Challenge must ensure that all team members are enrolled in an accredited institution of higher education.
  • Participation agreement – All team members must have accepted the 2021 Participation Agreement at the time they submit their solution to be eligible. (You accept the Participation Agreement when you register for the Global Challenge.)
  • Application – Must be new and built for the 2021 competition, but they may use code that was open-sourced and publicly available to all other participants as of March 22, 2021.
  • Winners – Winning teams will be subject to a code review after submissions close
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Deadline: Applications are ongoing and submissions close on July 31, 2021.


Click here for more details and to apply