At the summit, Schwarzenegger addressed climate sceptics, saying “We are asking you to stop lying to the people about climate change and pollution and to offer them solutions instead of bulls***.”Speaking to the audience, Ms Thunberg said: “We need to call it what it is: an emergency. We children are not leaders, nor are the scientists, but many of you here are. People listen to you, but most of you have failed to take this responsibility. We young people are waking up and we promise, we won’t let you get away with it anymore.”