Baguio, Davao, Dipolog, Legazpi, Makati, Muntinlupa, Ormoc, San Carlos (Negros Occidental), San Fernando (La Union), Santa Rosa (Laguna), Tagum, and Zamboanga are returning for the WWF One Planet City Challenge 2023-2024. Catbalogan and Naga are rejoining the latest run after having participated most recently in 2017-2018. New entrant Puerto Princesa rounds up this run’s Philippine participants.