Greta Thunberg is a Swedish climate activist who has been described as a role model for worldwide student activism.

In August 2018 Greta sat alone outside Sweden's parliament, brandishing a banner that read "school strike for the climate".

Today, the teen activist is responsible for sparking a global movement that has led to 1.6 million pupils around the world walking out if school to join her in the fight against climate change. And she has been nominated for the Noble Peace Prize.

She has had audiences with the Pope, the UN and the European parliament. She was named Time Person of the year 2019.