https://www.bbc.com/news/world-europe-49918719
"Her father Svante Thunberg, is an actor, and is a descendant of Svante Arrhenius, a scientist who came up with a model of the greenhouse effect. He was awarded the Nobel Prize for Chemistry in 1903."
Who is Svante Arrhenius?
"And his involvement in "racial biology" – which blazed a trail for compulsory sterilization and eventually Nazi eugenics – doesn't help his legacy."
https://www.theguardian.com/environment/blog/2009/feb/19/climate-change-arrhenius
"Arrhenius involved himself in the eugenics movement by joining the Swedish Society for Racial Hygiene, a group focused on researching and promoting the benefits of controlled reproduction in humans (Broberg & Roll-Hansen, 2005). This society was formed in 1909 in an attempt to popularize eugenics and encourage policy changes to promote eugenics (Bjorkman & Widmalm, 2010). Arrhenius was not only a member; he was on the board for the society (Broberg & Roll-Hansen, 2005). The society gave lectures and handed out pro-eugenic pamphlets to the public, but because it was illegal for them to discuss any method of birth control, the group was thought to have limited influence overall (Broberg & Roll-Hansen, 2005)."
http://eugenicsarchive.ca/discover/tree/531f7ac0132156674b000204