Greta Thunberg: I never intended to be face of movement
Greta Thunberg has said Tweets by Donald Trump about her were "funny".
The 19-year-old Swedish activist spoke to the BBC News media editor Amol Rajan about how she responds to online abuse.
Viewers in the UK can watch Amol Rajan Interviews Greta Thunberg on BBC2, at 19:00 BST, 18 October, and BBC iPlayer.