Thunberg has spent the last few weeks in the US where he has sailed. During his trip, he talked about the dangers of climate change at the US Congress and met with former President Barack Obama, writes EXE News.
Today's demonstration in New York will take place just before the UN General Assembly, which will be held from 23 to 26 October. until September.
In addition to New York, climate marches are taking place in many other major cities around the world today. The initiator of the climate marches is Greta Thunberg.