Congratulations to the 2023 Call for Code Global Challenge Finalists
By Katherine Girard | Published November 21, 2023
Developers used IBM watsonx to address sustainability issues and help fight climate change in the 2023 Call for Code Global Challenge.
![](https://s3.us.cloud-object-storage.appdomain.cloud/developer/callforcode/c4cblogs/call_for_code_23_finalists/highlight.jpg)
Round 4 Global Challenge winners announced
By IBM Developer Staff | Published November 9, 2023
Learn about the winners of the Call for Code Global Challenge Round 4, watsonx Prize, and watsonx Knowledge Quiz!
![](https://s3.us.cloud-object-storage.appdomain.cloud/developer/callforcode/c4cblogs/global_challenge_round_4_winners/highlight.jpg)
Call for Code and Black Girls CODE 2023 events
By Alicia Walker | Updated November 7, 2023 | Published May 19, 2023
Workshops like Adventures of Sustainable Sheroes are designed to empower students with skills to save the planet
![](https://s3.us.cloud-object-storage.appdomain.cloud/developer/callforcode/c4cblogs/call-for-code-and-black-girls-code/highlight.jpg)
Fostering a culture of innovation and teamwork
By IBM Ecosystem Staff | Published October 4, 2023
Why Persistent benefits from Call for Code participation
![](https://s3.us.cloud-object-storage.appdomain.cloud/developer/callforcode/c4cblogs/call-for-code-persistent-23/highlight.jpg)
Developers take on global sustainability in Las Vegas
By Jennifer Judge | Published September 28, 2023
Big ideas to solve sustainability with IBM AI emerge with Call for Code at the IBM TechXchange Conference 2023
![](https://s3.us.cloud-object-storage.appdomain.cloud/developer/callforcode/c4cblogs/call-for-code-techxchange-23/highlight.jpg)
Top solutions recognized in Global Challenge Round 2
By IBM Developer Staff | Published June 29, 2023
Get caught up on the innovative AI solutions that took top prizes this Challenge Round
![](https://s3.us.cloud-object-storage.appdomain.cloud/developer/callforcode/c4cblogs/top-solutions-recognized-in-global-challenge-round-2/highlight.jpg)
BlueReef Foundation uses data and AI to save coral reefs
By IBM Developer Staff | Published April 26, 2023
A team from University of Michigan wins Round 1 of the Global Challenge with their solution to monitor and protect reefs more efficiently.
![](https://s3.us.cloud-object-storage.appdomain.cloud/developer/callforcode/c4cblogs/bluereef-foundation-uses-data-and-ai-to-save-coral-reefs/highlight.jpg)
Meet the 2022 Call for Code Global Challenge winning team
By IBM Developer Staff | Published December 7, 2022
Call for Code Global Challenge winner GardenMate of Augustana University creates a marketplace for local gardeners to help address food insecurity
![](https://s3.us.cloud-object-storage.appdomain.cloud/developer/callforcode/c4cblogs/meet-the-2022-call-for-code-global-challenge-winning-team/highlight.jpg)