Jacinda Ardern arrived in New York with her 3-month-old daughter, Neve, who has become the first-ever infant to attend the annual gathering of member nations.
Squeezed by high prices and low homeownership, the country's housing market has become a big concern for New Zealanders. As part of their solution, lawmakers took aim at buyers beyond their borders.
Jacinda Ardern, who assumed office last October, announced in January that she would be taking six weeks of maternity leave while her deputy stepped in to assume the duties of prime minister.
In 2013, the government began a program to get rid the rodents from the subantarctic island, which is a World Heritage Site that is home to dozens of unique and endangered species.