"I came to Davos to tell you that our house is on fire. Your inaction is fueling the flames."

"You are not mature enough to tell it like it is."

"I often hear adults say: 'We must give the next generation hope.' But I don't want your hope. I don't want you to be hopeful. I want you to panic. I want you to feel the fear I feel every day. And the…"

"At first when I heard about climate change, I was a climate denier. I didn't think it was happening. Because if there really was an existential crisis like that, that would threaten our civilisation, …"

"You are failing us. But the young people are starting to understand your betrayal. The eyes of all future generations are upon you. And if you choose to fail us, I say: We will never forgive you."