Note: this article was originally published as part of our "Youths of the Year" roundup. Click here to read the article in full. 16-year-old Greta Thunberg has become one of the most prominent young people in the world through her environmental activism. Since deciding to forego attending school in favour of standing outside the Swedish Riksdag, the country’s Parliament, in mid-2018, to pressure the government into honouring its commitments under the Paris Climate Change Acco

Read our selection for "youths of the year".