Young people around the world have been organizing protests to demand action on climate change. Millions walked out of their schools and workplaces last Friday as part of demonstrations leading up to the Youth Climate Summit at United Nations headquarters in New York. Swedish teenage activist Greta Thunberg helped inspire the protests, staging weekly demonstrations for the past year calling on world leaders to bolster efforts to combat climate change. Saqib Ul Islam has more in this report from New York.