Climate change remains the greatest existential threat to Tuvalu, Prime Minister Feleti Teo told the UN General Assembly on Friday, warning that the pace and scale of international action are still falling far short of what vulnerable island nations need.

Nepal’s Prime Minister Balendra Shah brought a stark warning from the Himalayas to the UN General Assembly on Thursday, saying catastrophic floods that killed at least 1,400 people in his country laid bare the human cost of climate change, and the failure of the international system to protect those least responsible for it.