I te Paenga-whāwhā 2019, i whakaaro a Thunberg he aha tana mahi mehemea ka tonoa ia ki te korero i te 2019 UN Climate Action Summit i New York, i te 2019 United Nations Climate Change Conference ranei
i Santiago, i Chile. Ki te puta ia ki tētahi o aua huihuinga, me whakawhiti ia i te Moana-nui-a-Kiwa. I kii ia ki nga kairipoata ahakoa kaore ia e rere, ka rere pea ia ma te kaipuke kaipuke, na te mea e whakapono ana ia he iti rawa te urunga waro.