The problem
Sites dump usable off-cuts because storing beats sorting. Make exchange cheaper than disposal.
Success criteria
A working pilot with honest unit economics a local team can run.
- Format
- Incentive prize
- Prize
- Contract — A logistics partnership to run the winning exchange design.
- Eligibility
- Open
- Judging
- Hybrid
- Submissions close
- July 07, 2026 22:40
Category
Global Challenges › Climate & Decarbonization › Plastic Pollution Crisis
Large Incentive Prize (XPRIZE Carbon Removal, Earthshot)