Greta Thunberg changes Twitter bio to ‘a bright and happy young girl’ after Trump’s sarcastic mocking of her fiery speech

GRETA Thunberg has sassed Donald Trump on Twitter after he mocked her emotional speech at the UN climate action summit. The 16-year-old activist has changed her Twitter bio to describe herself as "a very happy young girl looking forward to a bright and wonderful future," following Trump's tweet with exactly the same wording.