Swedish activist who has gained prominence for her work to halt climate change and global warming. She rose to fame for organizing the world's first school strike for climate outside Sweden's parliament in August 2018. She gave a speech at the 2019 United Nations Climate Action Summit, berating world leaders for not taking more actions against climate change.
She was diagnosed as a young girl with OCD, Asperger syndrome, and selective mutism. She later decided not to attend school until the 2018 Swedish general elections in August 2018 in response to a heat wave and wildfires.
She has over 1.9 million followers on Twitter. She was named by Time Magazine as one of the world's 25 most influential teenagers in December 2018. She addressed the United Nations Climate Change Conference that same month.
Her mother is opera singer Malena Ernman. Her father is Swedish performer Svante Thunberg.
She and Marley Dias were both named to Time Magazine's 2018 list of the top 25 most influential teammates.