Tuhia he haere tonu mo tenei whitianga - I whakahua hoki te Perehitini Tuarua a Biden i te angitu o te Compact of Mayors i a ia e korero ana i te Noema 5, 2015 i te National League of Cities Congress of Cities i Nashville, Tennessee, USA. I te Whiringa-a-rangi 20, 2015, i mohiotia te Whakaaetanga o nga Kaumatua e te White House mo te neke atu i te 100 nga taone nui o te US i mua o te COP 21
ngā kōrero āhuarangi i Paris.