Overview

• UN Secretary-General warns of 'grave danger' from rising sea levels, urging Australia to reduce fossil fuel emissions.
• Australia commits to regional policing initiative amid concerns over China's security presence in the Pacific.
• Prime Minister Albanese defends Australia's emission reduction strategy and highlights support for renewable energy.
• Australia-Tuvalu treaty comes into effect, offering climate refugee visas and disaster aid.
• Leaked video captures Albanese joking with US official about sharing costs of policing plan.