New Zealand's Prime Minister Jacinda Ardern (R) and Sheryl Sandberg, COO of Facebook and current chair of the Global Internet Forum to Counter Terrorism (GIFCT), arrive to give a news conference on the sidelines during the 2019 United Nations Climate Action Summit at U.N. headquarters in New York City, New York, U.S., September 23, 2019. REUTERS/Yana Paskova