"You all come to us young people for hope. How dare you?," Greta Thunberg told world leaders at the U.N. climate summit. "The eyes of all future generations are upon you. And if you choose to fail you, I say we will never forgive you." https://trib.al/gByp3RV | NPR

200K views · 6.3K reactions | "How dare you!" Climate activist Greta Thunberg delivered an emotional and scathing speech at the United Nations on Monday, accusing world leaders of stealing her dreams and her childhood with their inaction on climate change. Watch her full speech here: https://nbcnews.to/2kVM8eS | MSNBC | Facebook