Speaker: Ollie Langridge, New Zealand climate change activist. See 4:20 where he refers to Claxon.
MP Chlöe Swarbrick refers to a message from 50 of New Zealand's top researchers who signed Claxon.
These researchers are Rutherford Discovery Fellows
Speaker: Greta Thunberg, climate change activist
Speaker: António Guterres, Secretary-General of the United Nations