# New method produces circular polyesters from CO2 and bicycloalkane

Researchers have developed a copolymerization technique that alternates carbon dioxide with bicycloalkane to create circular polyesters. These polyesters can be chemically recycled back to their original monomers, offering a sustainable approach to plastic production and reducing reliance on fossil fuels. This breakthrough could advance the design of fully recyclable materials with closed-loop life cycles.

**Importance:** 4/5

## Sources

### Science
- [Nature](https://www.nature.com/articles/s41586-026-10848-2) — 2026-07-29