The Albanese government of Australia has announced a significant expansion of the Heard and McDonald Islands Marine Park, increasing its size by 310,000 square kilometers, thereby protecting 52% of the nation’s oceans, surpassing the global 30% target set by a UN treaty. Environment Minister Tanya Plibersek highlighted this move as a major environmental win for both Australia and global marine conservation, establishing the country as a leader in this area. Despite the expansion, critics argue that important deep-sea habitats and foraging areas for marine life remain unprotected, pointing to a missed opportunity for stronger safeguards. The expansion aims to protect diverse wildlife, including penguins, seals, and unique ecological features, while supporting sustainable fishing practices in the region. Environmental groups have welcomed the decision but stress the need for further protections to address gaps identified in scientific reports. The government plans to fund research voyages to continue monitoring and managing this ecologically significant area.