Greta Thunberg writes on Instagram that she will speak at the climate meeting sometime between 9-10 am.
On Monday, Thunberg held a press conference with other young climate activists in Madrid. One of the messages was that the world must listen to the world's indigenous people.
Several young people, belonging to indigenous peoples all over the world, participated in witnessing how climate change has affected their home countries and living conditions.
The text is updated.