As a nation, New Zealand sponsored non-proliferation measures such as the South Pacific Nuclear Free Zone (later embodied in the Rarotonga Treaty of 1986) and South Pacific Environmental programme.
New Zealand has been a key player in advocating for nuclear non-proliferation and environmental protection within the South Pacific region, evidenced by its support for the establishment of the South Pacific Nuclear-Free Zone (later enshrined in the Rarotonga Treaty of 1986) and the South Pacific Environmental program.