The Philippine Biosphere Reserve Network (PhilBRNet) was officially launched on 20 June 2018 at Citystate Asturias Hotel, Puerto Princesa City, Palawan. The PhilBRNet aims to serve as a platform for collaboration and cooperation among existing and aspiring BRs in the Philippines. The launch in Palawan also seeks to promote the network as an active and strong advocate of sustainable development through the collective initiatives and actions of the biosphere reserves in the country.