Climate activists gear up for global strike, COP26
Both women sounded a note of hope, saying that taking action and showing solidarity could lead people to feeling more positive about the challenges posed by the climate crisis.
In just three years since she started skipping school on Fridays to protest alone outside the Swedish parliament, Thunberg has become a global figure, giving voice to her generation's fury at the world's failure to tackle a problem known about for decades.
The October 22 strike will see young people join from around the world, ahead of the United Nations climate change conference, COP26, which starts on October 31 in Glasgow, Scotland.
Thunberg has said she will probably go to the conference.
