Greta Thunberg was born in September 2003, the daughter of opera singer Malena Ernman and actor Svante Thunberg. A few years later she was diagnosed with Asperger's syndrome. She has risen to global fame for her commitment to fighting climate change, and for the movement she has started for young people all over the world. Valentina Camerini was born in Milan. She began her career working on Walt Disney comics, before dedicating herself to novels and children's books. She is author of 365 Fatti Straordinari per Sorprendere gli Amici and La Storia di Greta (Greta's Story).