Climate activist Greta Thunberg has warned "those in power" she will "not be silenced when the world is on fire." The teenager was welcomed by chants of "Greta, Greta" as she addressed some 15,000 people at the Bristol Youth Strike 4 Climate (BYS4C) event on February 28th.
I Am Greta Documentary Movie Clip - You lied to us
ABOUT I AM GRETA
The story of teenage climate activist Greta..