After a year out of class promoting her cause full time, Thunberg is now a student once more, enrolled in her second year of high school.
She has moved from her parents' home into her first apartment, a borrowed one, shared with a labrador named Roxy and a golden retriever called Moses. Her father, Svante, visits often.
"When you stay grounded, it’s not so hard to come back to normal life again," said Thunberg. "And I am fortunately in Sweden, where people don’t care so much about famous people. So, I’ve been left alone."
The forthrightness which brought her to global attention is still her trademark. Before the interview, she said her autism - a diagnosis she has referred to in the past as a "superpower" - made her more comfortable looking directly into the camera than towards an interviewer.
Last month, she mocked world leaders in a speech to youth activists in Milan, saying: "Build back better, blah blah blah, green economy, blah blah blah, net zero by 2050, blah blah blah, climate neutral, blah blah blah."
Now, she says she is trying to manage her work with Fridays For Future with her regular school workload. Because of the pandemic, the movement meets mostly online, making it less time consuming.
"I'm trying to be efficient – to do all the homework while I am at school, so that when I go home, I am free to do other things, to work," she said.
She has few plans for when she finishes high school in two years, but said she wanted to continue studying,"because I like doing that."
And after school? "I’m sort of procrastinating that. But I guess we'll see where I end up."