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About the show 

Colin Jost, the host

American comedian, actor, and head writer for Saturday Night Live

“I’m not supposed to say this but, you’ve got my vote”

Taking place in the heart of New York City and hosted by Saturday Night Live’s Colin Jost, the 2021 Call for Code Awards placed a spotlight on the great work from developers taking on climate change and the surrounding issues of water, hunger, and the economy. Hear their stories and help shape the future direction of Call for Code.

Meet the finalists

After thousands of submissions our judges have chosen the top 5 solutions in the fight against climate change. These were the finalists in the running for the $200,000 USD grand prize and the chance to see their solution deployed. 

Watch their stories

Green Farm



Project Scavenger

Saaf water

Past winners’ stories

“I could not imagine a more fulfilling and inspiring turn of events than when I chose to submit an idea.”

– Bryan Knouse, Project OWL (2018 Call for Code Winner)


The 2020 winning team’s solution equips farmers across the globe with the critical information they need to manage crops in rapidly changing environments effected by climate change.


The 2019 winning solution tracks firefighters’ health in real time and is being field-tested in Barcelona. 

Project Owl

The 2018 winning team’s solution creates a network of hotspots can be deployed quickly and cheaply, exchanging vital information about the community’s greatest needs.