PolyGone Systems, a pioneer in advanced microplastic removal technology, proudly announces it has been selected as the U.S. national winner at the Cleantech Open’s 20th Anniversary Global Forum 2025.

The Cleantech Open is the world’s largest and oldest clean technology accelerator, bringing together early-stage innovators from around the world, tackling global environmental and energy challenges.

The winners were announced on October 27–30th in San Jose, CA, recognizing PolyGone as the top startup among the 96 startups from around the world that completed the accelerator program this year. PolyGone was honored for its advanced microplastic filtration systems designed to protect waterways and ecosystems.

“It is a huge honor to be selected as the national winner of Cleantech Open,” said Yidian Liu, Co-Founder & COO of PolyGone Systems, “We are one of the few water tech companies, and the only one working on microplastics. I am excited to learn that microplastics are being recognized as one of the priorities in cleantech development. ”

Nathaniel Banks, Co-Founder and CEO of PolyGone Systems, added: “To be chosen from more than 90 pre-vetted startups is an incredible honor that I will never forget. As an early-stage cleantech startup navigating customer discovery, business model design, or the lab-to-product jump, the past few months in the accelerator have been transformative. ”

This award recognition marks a significant milestone for PolyGone Systems and validates the urgency of our mission to combat microplastic pollution. Building on this momentum, PolyGone is more committed than ever to accelerating its technology deployment, expanding its global partnerships, and driving continuous innovation for the sustainable future that our planet and its people deserve.