Millions of people across the world will walk out of work, home and school to join young people taking part in the Global Climate Strike.

Swedish climate activist Greta Thunberg, 16, has inspired a generation of youngsters to take a stand to protect their future.

But what do young people really know about the threat of global warming?

Pupils at Brimsdown Primary School in Enfield, north London, are staging their own protest.

We asked them why they cared about climate change.

(c) Sky News 2019: Extinction, clean water and animals: Why kids say they are ‘worried’ about climate change