Swedish climate activist, born January 3, 2003 in Stockholm, Sweden. She began protesting outside the Swedish parliament in August 20, 2018 about the need for immediate action to combat climate change. Her action was the initial start of the movement "School strike for climate" also known variously as "Fridays for Future" (FFF). Daughter of opera singer Malena Ernman and author and producer Svante Thunberg. Granddaughter of actor Olof Thunberg.