16-year-old Swedish climate activist Greta Thunberg revealed that her younger sister is suffering from the "systematic bullying, hatred, and harassment" her family receives on a daily basis.
After her powerful speech at the United Nations, things have calmed down a little for 16-year-old Swedish activist Greta Thunberg.
While she's been traveling across Canada to meet politicians and join climate protests, Thunberg hasn't been doing as many interviews with journalists.
Thunberg's family is more affected, she said: "The one who suffers is my sister.
Read more: Greta Thunberg responds to 'haters,' asking why adults 'spend their time mocking and threatening teenagers and children for promoting science'.
"The people who write threats and hate to me do it to the whole family, even to her.
Read more: 2 striking photos taken just over a year apart show how Greta Thunberg's climate strike inspired millions. »