2026 SUSTAINABLE CITIES CHALLENGE SECONDARY EDITION
FROM LINEAR TO CIRCULAR

Our everyday products are too often made, used and thrown away. The 2026 Sustainable Cities Challenge (Secondary Edition) invited students to rethink design and production for a sustainable world, moving From Linear to Circular. Teams designed creative solutions that keep materials in use for longer, turning everyday waste into products with a second life.

SECONDARY LEVEL WINNERS
Click a photo or “Read more” to see the full project.

🏆 CHAMPION
Takeaway Carrier
Kyal Zin Lin Shine (Frederick), Kayden Chew Jia Jun, Rio Then Seng Lot, Villena John Chriswen and Aydriel Ng Kai Jun
Springfield Secondary School
Takeaway drinks often come with single-use carriers that are thrown away within minutes. The team designed a sturdy, reusable takeaway carrier from repurposed packaging material, keeping it in use for longer and cutting down on single-use waste.


