Greta Thunberg at a rally in Bristol, England asks the crowd: "I will not be silent while the world is on fire – will you?" on Friday (February 28).
Greta Thunberg at a rally in Bristol, England asks the crowd: "I will not be silent while the world is on fire – will you?" on Friday (February 28).
Climate activist Greta Thunberg has warned "those in power" she will "not be silenced when the world is on fire.