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The 2025 Carbon Removal Challenge Has Come to a Close

Thank you to everyone who helped make this year's Challenge a success!

On May 21st, our the amazing finalists for the 2025 Carbon Removal Challenge presented their incredible projects to the industry experts, funders, and leaders at Carbon Unbound East Coast. If you missed the stream on the day, you can watch it here:

2025 Carbon Removal Challenge Final Showcase

We are so grateful to our volunteers, organizers, partners, judges, mentors, and sponsors, but especially our students participants who are the heart of the Carbon Removal Challenge. Without all of you, the Challenge would not have been the success it was.

We will be back with the start of the 2026 Carbon Removal Challenge in just a few months, so please watch for emails and check out our webpage for more information in the months to come. And if you’re interested in participating in the Challenge as a student, volunteer, organizer, mentor, judge, partner, or sponsor, please contact us here.

Please join us in thanking our sponsors one last time. Their generous support was essential:

We also want to thank our individual donors, who we are so thankful for:

Thank you all and see you next year!

OpenAir is a 100% volunteer-led, global network dedicated to fighting climate change by accelerating carbon removal advancement and evolution through member initiated missions. The support from individuals who believe in our cause, is critical to the continued success of our missions. Please consider donating to help support us in the future.