to record its warmest year ever, after a summer of blistering heatwaves and a mild autumn and spring. every month apart from december has been warmer than average. now on bbc news, amol rajan interviews: greta thunberg. when i was 15, i wasjust discovering the joys of hip—hop and dreaming of playing cricket for england. at the same age, greta thunberg launched an international movement by skipping school. she's not a politician or a scientist, nor is she the first to campaign against climate change. at school, she was bullied for years, before being diagnosed with asperger�*s syndrome. but in 2018, this swedish schoolgirl found herself hailed as the unlikely voice of global youth. she's become the symbol of a generation, which, as she puts it, is not