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Speaking with BBC Radio 4 last month, Svante Thunberg said that he initially thought it was a “bad idea” for his daughter to skip school to protest climate change. But he said that after watching her battle depression for several years, he sees her as happier as a result of her activism.

“She dances around, she laughs a lot, we have a lot of fun — and she’s in a very good place,” he said.

He added that Greta is planning on returning to school, and that by her 17th birthday, which was on Jan. 3, she won’t need to be chaperoned on her travels.

“If she needs me there, I’ll try to do it,” he said. “But I think she’ll be, more and more, going to do it by herself, which is great.”